<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"> <style>
	.KEYW {color: #933;}
	.COMM {color: #bbb; font-style: italic;}
	.NUMB {color: #393;}
	.STRN {color: #393;}
	.REGX {color: #339;}
	.line {border-right: 1px dotted #666; color: #666; font-style: normal;}
	</style></head><body><pre><span class='line'>  1</span> <span class="COMM">/*
<span class='line'>  2</span>  * Copyright (C) 2008, 2009 Mihai Şucan
<span class='line'>  3</span>  *
<span class='line'>  4</span>  * This file is part of PaintWeb.
<span class='line'>  5</span>  *
<span class='line'>  6</span>  * PaintWeb is free software: you can redistribute it and/or modify
<span class='line'>  7</span>  * it under the terms of the GNU General Public License as published by
<span class='line'>  8</span>  * the Free Software Foundation, either version 3 of the License, or
<span class='line'>  9</span>  * (at your option) any later version.
<span class='line'> 10</span>  *
<span class='line'> 11</span>  * PaintWeb is distributed in the hope that it will be useful,
<span class='line'> 12</span>  * but WITHOUT ANY WARRANTY; without even the implied warranty of
<span class='line'> 13</span>  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
<span class='line'> 14</span>  * GNU General Public License for more details.
<span class='line'> 15</span>  *
<span class='line'> 16</span>  * You should have received a copy of the GNU General Public License
<span class='line'> 17</span>  * along with PaintWeb.  If not, see &lt;http://www.gnu.org/licenses/>.
<span class='line'> 18</span>  *
<span class='line'> 19</span>  * $URL: http://code.google.com/p/paintweb $
<span class='line'> 20</span>  * $Date: 2009-07-09 14:26:21 +0300 $
<span class='line'> 21</span>  */</span><span class="WHIT">
<span class='line'> 22</span> 
<span class='line'> 23</span> </span><span class="COMM">/**
<span class='line'> 24</span>  * @author &lt;a lang="ro" href="http://www.robodesign.ro/mihai">Mihai Şucan&lt;/a>
<span class='line'> 25</span>  * @fileOverview Holds the implementation of the Color Mixer dialog.
<span class='line'> 26</span>  */</span><span class="WHIT">
<span class='line'> 27</span> 
<span class='line'> 28</span> </span><span class="COMM">// For the implementation of this extension I used the following references:</span><span class="WHIT">
<span class='line'> 29</span> </span><span class="COMM">// - Wikipedia articles on each subject.</span><span class="WHIT">
<span class='line'> 30</span> </span><span class="COMM">// - the great brucelindbloom.com Web site - lots of information.</span><span class="WHIT">
<span class='line'> 31</span> 
<span class='line'> 32</span> </span><span class="COMM">/**
<span class='line'> 33</span>  * @class The Color Mixer extension.
<span class='line'> 34</span>  *
<span class='line'> 35</span>  * @param {PaintWeb} app Reference to the main paint application object.
<span class='line'> 36</span>  */</span><span class="WHIT">
<span class='line'> 37</span> </span><span class="NAME">pwlib.extensions.colormixer</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">app</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 38</span> </span><span class="WHIT">  </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">_self</span><span class="WHIT">     </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 39</span> </span><span class="WHIT">      </span><span class="NAME">config</span><span class="WHIT">    </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">app.config.colormixer</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 40</span> </span><span class="WHIT">      </span><span class="NAME">doc</span><span class="WHIT">       </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">app.doc</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 41</span> </span><span class="WHIT">      </span><span class="NAME">gui</span><span class="WHIT">       </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">app.gui</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 42</span> </span><span class="WHIT">      </span><span class="NAME">lang</span><span class="WHIT">      </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">app.lang.colormixer</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 43</span> </span><span class="WHIT">      </span><span class="NAME">MathFloor</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.floor</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 44</span> </span><span class="WHIT">      </span><span class="NAME">MathMax</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.max</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 45</span> </span><span class="WHIT">      </span><span class="NAME">MathMin</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.min</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 46</span> </span><span class="WHIT">      </span><span class="NAME">MathPow</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.pow</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 47</span> </span><span class="WHIT">      </span><span class="NAME">MathRound</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.round</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 48</span> </span><span class="WHIT">      </span><span class="NAME">resScale</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">app.resolution.scale</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 49</span> 
<span class='line'> 50</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'> 51</span>    * Holds references to various DOM elements.
<span class='line'> 52</span>    *
<span class='line'> 53</span>    * @private
<span class='line'> 54</span>    * @type Object
<span class='line'> 55</span>    */</span><span class="WHIT">
<span class='line'> 56</span> </span><span class="WHIT">  </span><span class="NAME">this.elems</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 57</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 58</span>      * Reference to the element which holds Canvas controls (the dot on the 
<span class='line'> 59</span>      * Canvas, and the slider).
<span class='line'> 60</span>      * @type Element
<span class='line'> 61</span>      */</span><span class="WHIT">
<span class='line'> 62</span> </span><span class="WHIT">    </span><span class="STRN">'controls'</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 63</span> 
<span class='line'> 64</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 65</span>      * Reference to the dot element that is rendered on top of the color space 
<span class='line'> 66</span>      * visualisation.
<span class='line'> 67</span>      * @type Element
<span class='line'> 68</span>      */</span><span class="WHIT">
<span class='line'> 69</span> </span><span class="WHIT">    </span><span class="STRN">'chartDot'</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 70</span> 
<span class='line'> 71</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 72</span>      * Reference to the slider element.
<span class='line'> 73</span>      * @type Element
<span class='line'> 74</span>      */</span><span class="WHIT">
<span class='line'> 75</span> </span><span class="WHIT">    </span><span class="STRN">'slider'</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 76</span> 
<span class='line'> 77</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 78</span>      * Reference to the input element that allows the user to pick the color 
<span class='line'> 79</span>      * palette to be displayed.
<span class='line'> 80</span>      * @type Element
<span class='line'> 81</span>      */</span><span class="WHIT">
<span class='line'> 82</span> </span><span class="WHIT">    </span><span class="STRN">'cpaletteInput'</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 83</span> 
<span class='line'> 84</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 85</span>      * The container element which holds the colors of the currently selected 
<span class='line'> 86</span>      * palette.
<span class='line'> 87</span>      * @type Element
<span class='line'> 88</span>      */</span><span class="WHIT">
<span class='line'> 89</span> </span><span class="WHIT">    </span><span class="STRN">'cpaletteOutput'</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 90</span> 
<span class='line'> 91</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 92</span>      * Reference to the element which displays the current color.
<span class='line'> 93</span>      * @type Element
<span class='line'> 94</span>      */</span><span class="WHIT">
<span class='line'> 95</span> </span><span class="WHIT">    </span><span class="STRN">"colorActive"</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 96</span> 
<span class='line'> 97</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 98</span>      * Reference to the element which displays the old color.
<span class='line'> 99</span>      * @type Element
<span class='line'>100</span>      */</span><span class="WHIT">
<span class='line'>101</span> </span><span class="WHIT">    </span><span class="STRN">"colorOld"</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="WHIT">
<span class='line'>102</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>103</span> 
<span class='line'>104</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>105</span>    * Reference to the Color Mixer floating panel GUI component object.
<span class='line'>106</span>    *
<span class='line'>107</span>    * @private
<span class='line'>108</span>    * @type pwlib.guiFloatingPanel
<span class='line'>109</span>    */</span><span class="WHIT">
<span class='line'>110</span> </span><span class="WHIT">  </span><span class="NAME">this.panel</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>111</span> 
<span class='line'>112</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>113</span>    * Reference to the Color Mixer tab panel GUI component object which holds the 
<span class='line'>114</span>    * inputs.
<span class='line'>115</span>    *
<span class='line'>116</span>    * @private
<span class='line'>117</span>    * @type pwlib.guiTabPanel
<span class='line'>118</span>    */</span><span class="WHIT">
<span class='line'>119</span> </span><span class="WHIT">  </span><span class="NAME">this.panelInputs</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>120</span> 
<span class='line'>121</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>122</span>    * Reference to the Color Mixer tab panel GUI component object which holds the 
<span class='line'>123</span>    * Canvas used for color space visualisation and the color palettes selector.
<span class='line'>124</span>    *
<span class='line'>125</span>    * @private
<span class='line'>126</span>    * @type pwlib.guiTabPanel
<span class='line'>127</span>    */</span><span class="WHIT">
<span class='line'>128</span> </span><span class="WHIT">  </span><span class="NAME">this.panelSelector</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>129</span> 
<span class='line'>130</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>131</span>    * Holds a reference to the 2D context of the color mixer Canvas element. This 
<span class='line'>132</span>    * is where the color chart and the slider are both drawn.
<span class='line'>133</span>    *
<span class='line'>134</span>    * @private
<span class='line'>135</span>    * @type CanvasRenderingContext2D
<span class='line'>136</span>    */</span><span class="WHIT">
<span class='line'>137</span> </span><span class="WHIT">  </span><span class="NAME">this.context2d</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>138</span> 
<span class='line'>139</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>140</span>    * Target input hooks. This object must hold two methods:
<span class='line'>141</span>    *
<span class='line'>142</span>    * &lt;ul>
<span class='line'>143</span>    *   &lt;li>&lt;code>show()&lt;/code> which is invoked by this extension when the Color 
<span class='line'>144</span>    *   Mixer panel shows up on screen.
<span class='line'>145</span>    *
<span class='line'>146</span>    *   &lt;li>&lt;code>hide()&lt;/code> which is invoked when the Color Mixer panel is 
<span class='line'>147</span>    *   hidden from the screen.
<span class='line'>148</span>    * &lt;/ul>
<span class='line'>149</span>    *
<span class='line'>150</span>    * &lt;p>The object must also hold information about the associated configuration 
<span class='line'>151</span>    * property: &lt;var>configProperty&lt;/var>, &lt;var>configGroup&lt;/var> and 
<span class='line'>152</span>    * &lt;var>configGroupRef&lt;/var>.
<span class='line'>153</span>    *
<span class='line'>154</span>    * @type Object
<span class='line'>155</span>    */</span><span class="WHIT">
<span class='line'>156</span> </span><span class="WHIT">  </span><span class="NAME">this.targetInput</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>157</span> 
<span class='line'>158</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>159</span>    * Holds the current color in several formats: RGB, HEX, HSV, CIE Lab, and 
<span class='line'>160</span>    * CMYK. Except for 'hex', all the values should be from 0 to 1.
<span class='line'>161</span>    *
<span class='line'>162</span>    * @type Object
<span class='line'>163</span>    */</span><span class="WHIT">
<span class='line'>164</span> </span><span class="WHIT">  </span><span class="NAME">this.color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>165</span> </span><span class="WHIT">    </span><span class="COMM">// RGB</span><span class="WHIT">
<span class='line'>166</span> </span><span class="WHIT">    </span><span class="NAME">red</span><span class="WHIT">  </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>167</span> </span><span class="WHIT">    </span><span class="NAME">green</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>168</span> </span><span class="WHIT">    </span><span class="NAME">blue</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>169</span> 
<span class='line'>170</span> </span><span class="WHIT">    </span><span class="NAME">alpha</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>171</span> </span><span class="WHIT">    </span><span class="NAME">hex</span><span class="WHIT">   </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>172</span> 
<span class='line'>173</span> </span><span class="WHIT">    </span><span class="COMM">// HSV</span><span class="WHIT">
<span class='line'>174</span> </span><span class="WHIT">    </span><span class="NAME">hue</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>175</span> </span><span class="WHIT">    </span><span class="NAME">sat</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>176</span> </span><span class="WHIT">    </span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>177</span> 
<span class='line'>178</span> </span><span class="WHIT">    </span><span class="COMM">// CMYK</span><span class="WHIT">
<span class='line'>179</span> </span><span class="WHIT">    </span><span class="NAME">cyan</span><span class="WHIT">    </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>180</span> </span><span class="WHIT">    </span><span class="NAME">magenta</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>181</span> </span><span class="WHIT">    </span><span class="NAME">yellow</span><span class="WHIT">  </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>182</span> </span><span class="WHIT">    </span><span class="NAME">black</span><span class="WHIT">   </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>183</span> 
<span class='line'>184</span> </span><span class="WHIT">    </span><span class="COMM">// CIE Lab</span><span class="WHIT">
<span class='line'>185</span> </span><span class="WHIT">    </span><span class="NAME">cie_l</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>186</span> </span><span class="WHIT">    </span><span class="NAME">cie_a</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>187</span> </span><span class="WHIT">    </span><span class="NAME">cie_b</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT">
<span class='line'>188</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>189</span> 
<span class='line'>190</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>191</span>    * Holds references to all the DOM input fields, for each color channel.
<span class='line'>192</span>    *
<span class='line'>193</span>    * @private
<span class='line'>194</span>    * @type Object
<span class='line'>195</span>    */</span><span class="WHIT">
<span class='line'>196</span> </span><span class="WHIT">  </span><span class="NAME">this.inputs</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>197</span> </span><span class="WHIT">    </span><span class="NAME">red</span><span class="WHIT">   </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>198</span> </span><span class="WHIT">    </span><span class="NAME">green</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>199</span> </span><span class="WHIT">    </span><span class="NAME">blue</span><span class="WHIT">  </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>200</span> 
<span class='line'>201</span> </span><span class="WHIT">    </span><span class="NAME">alpha</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>202</span> </span><span class="WHIT">    </span><span class="NAME">hex</span><span class="WHIT">   </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>203</span> 
<span class='line'>204</span> </span><span class="WHIT">    </span><span class="NAME">hue</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>205</span> </span><span class="WHIT">    </span><span class="NAME">sat</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>206</span> </span><span class="WHIT">    </span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>207</span> 
<span class='line'>208</span> </span><span class="WHIT">    </span><span class="NAME">cyan</span><span class="WHIT">    </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>209</span> </span><span class="WHIT">    </span><span class="NAME">magenta</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>210</span> </span><span class="WHIT">    </span><span class="NAME">yellow</span><span class="WHIT">  </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>211</span> </span><span class="WHIT">    </span><span class="NAME">black</span><span class="WHIT">   </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>212</span> 
<span class='line'>213</span> </span><span class="WHIT">    </span><span class="NAME">cie_l</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>214</span> </span><span class="WHIT">    </span><span class="NAME">cie_a</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>215</span> </span><span class="WHIT">    </span><span class="NAME">cie_b</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="WHIT">
<span class='line'>216</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>217</span> 
<span class='line'>218</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>219</span>    * The "absolute maximum" value is determined based on the min/max values.  
<span class='line'>220</span>    * For min -100 and max 100, the abs_max is 200.
<span class='line'>221</span>    * @private
<span class='line'>222</span>    *
<span class='line'>223</span>    */</span><span class="WHIT">
<span class='line'>224</span> </span><span class="WHIT">  </span><span class="NAME">this.abs_max</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>225</span> 
<span class='line'>226</span> </span><span class="WHIT">  </span><span class="COMM">// The hue spectrum used by the HSV charts.</span><span class="WHIT">
<span class='line'>227</span> </span><span class="WHIT">  </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">hueSpectrum</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="WHIT">
<span class='line'>228</span> </span><span class="WHIT">    </span><span class="PUNC">[</span><span class="NUMB">255</span><span class="PUNC">,</span><span class="WHIT">   </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">   </span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="COMM">// 0, Red,       0°</span><span class="WHIT">
<span class='line'>229</span> </span><span class="WHIT">    </span><span class="PUNC">[</span><span class="NUMB">255</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">,</span><span class="WHIT">   </span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="COMM">// 1, Yellow,   60°</span><span class="WHIT">
<span class='line'>230</span> </span><span class="WHIT">    </span><span class="PUNC">[</span><span class="WHIT">  </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">,</span><span class="WHIT">   </span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="COMM">// 2, Green,   120°</span><span class="WHIT">
<span class='line'>231</span> </span><span class="WHIT">    </span><span class="PUNC">[</span><span class="WHIT">  </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="COMM">// 3, Cyan,    180°</span><span class="WHIT">
<span class='line'>232</span> </span><span class="WHIT">    </span><span class="PUNC">[</span><span class="WHIT">  </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">   </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="COMM">// 4, Blue,    240°</span><span class="WHIT">
<span class='line'>233</span> </span><span class="WHIT">    </span><span class="PUNC">[</span><span class="NUMB">255</span><span class="PUNC">,</span><span class="WHIT">   </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="COMM">// 5, Magenta, 300°</span><span class="WHIT">
<span class='line'>234</span> </span><span class="WHIT">    </span><span class="PUNC">[</span><span class="NUMB">255</span><span class="PUNC">,</span><span class="WHIT">   </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">   </span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT">  </span><span class="COMM">// 6, Red,     360°</span><span class="WHIT">
<span class='line'>235</span> </span><span class="WHIT">  </span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>236</span> 
<span class='line'>237</span> </span><span class="WHIT">  </span><span class="COMM">// The active color key (input) determines how the color chart works.</span><span class="WHIT">
<span class='line'>238</span> </span><span class="WHIT">  </span><span class="NAME">this.ckey_active</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'red'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>239</span> 
<span class='line'>240</span> </span><span class="WHIT">  </span><span class="COMM">// Given a group of the inputs: red, green and blue, when one of them is active, the ckey_adjoint is set to an array of the other two input IDs.</span><span class="WHIT">
<span class='line'>241</span> </span><span class="WHIT">  </span><span class="NAME">this.ckey_adjoint</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>242</span> </span><span class="WHIT">  </span><span class="NAME">this.ckey_active_group</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>243</span> 
<span class='line'>244</span> </span><span class="WHIT">  </span><span class="NAME">this.ckey_grouping</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>245</span> </span><span class="WHIT">    </span><span class="STRN">'red'</span><span class="WHIT">   </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'rgb'</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>246</span> </span><span class="WHIT">    </span><span class="STRN">'green'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'rgb'</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>247</span> </span><span class="WHIT">    </span><span class="STRN">'blue'</span><span class="WHIT">  </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'rgb'</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>248</span> 
<span class='line'>249</span> </span><span class="WHIT">    </span><span class="STRN">'hue'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'hsv'</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>250</span> </span><span class="WHIT">    </span><span class="STRN">'sat'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'hsv'</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>251</span> </span><span class="WHIT">    </span><span class="STRN">'val'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'hsv'</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>252</span> 
<span class='line'>253</span> </span><span class="WHIT">    </span><span class="STRN">'cyan'</span><span class="WHIT">    </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'cmyk'</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>254</span> </span><span class="WHIT">    </span><span class="STRN">'magenta'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'cmyk'</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>255</span> </span><span class="WHIT">    </span><span class="STRN">'yellow'</span><span class="WHIT">  </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'cmyk'</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>256</span> </span><span class="WHIT">    </span><span class="STRN">'black'</span><span class="WHIT">   </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'cmyk'</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>257</span> 
<span class='line'>258</span> </span><span class="WHIT">    </span><span class="STRN">'cie_l'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'lab'</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>259</span> </span><span class="WHIT">    </span><span class="STRN">'cie_a'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'lab'</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>260</span> </span><span class="WHIT">    </span><span class="STRN">'cie_b'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'lab'</span><span class="WHIT">
<span class='line'>261</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>262</span> 
<span class='line'>263</span> </span><span class="WHIT">  </span><span class="COMM">// These values are automatically calculated when the color mixer is </span><span class="WHIT">
<span class='line'>264</span> </span><span class="WHIT">  </span><span class="COMM">// initialized.</span><span class="WHIT">
<span class='line'>265</span> </span><span class="WHIT">  </span><span class="NAME">this.sliderX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>266</span> </span><span class="WHIT">  </span><span class="NAME">this.sliderWidth</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>267</span> </span><span class="WHIT">  </span><span class="NAME">this.sliderHeight</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>268</span> </span><span class="WHIT">  </span><span class="NAME">this.sliderSpacing</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>269</span> </span><span class="WHIT">  </span><span class="NAME">this.chartWidth</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>270</span> </span><span class="WHIT">  </span><span class="NAME">this.chartHeight</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>271</span> 
<span class='line'>272</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>273</span>    * Register the Color Mixer extension.
<span class='line'>274</span>    *
<span class='line'>275</span>    * @returns {Boolean} True if the extension can be registered properly, or 
<span class='line'>276</span>    * false if not.
<span class='line'>277</span>    */</span><span class="WHIT">
<span class='line'>278</span> </span><span class="WHIT">  </span><span class="NAME">this.extensionRegister</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>279</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">gui.elems</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">gui.elems.colormixer_canvas</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">gui.floatingPanels</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> 
<span class='line'>280</span>         </span><span class="PUNC">!</span><span class="NAME">gui.floatingPanels.colormixer</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">gui.tabPanels</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> 
<span class='line'>281</span>         </span><span class="PUNC">!</span><span class="NAME">gui.tabPanels.colormixer_inputs</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">gui.tabPanels.colormixer_selector</span><span class="WHIT"> 
<span class='line'>282</span>         </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">_self.init_lab</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>283</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>284</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>285</span> 
<span class='line'>286</span> </span><span class="WHIT">    </span><span class="NAME">_self.panel</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gui.floatingPanels.colormixer</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>287</span> </span><span class="WHIT">    </span><span class="NAME">_self.panelSelector</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gui.tabPanels.colormixer_selector</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>288</span> </span><span class="WHIT">    </span><span class="NAME">_self.panelInputs</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gui.tabPanels.colormixer_inputs</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>289</span> 
<span class='line'>290</span> </span><span class="WHIT">    </span><span class="COMM">// Initialize the color mixer Canvas element.</span><span class="WHIT">
<span class='line'>291</span> </span><span class="WHIT">    </span><span class="NAME">_self.context2d</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gui.elems.colormixer_canvas.getContext</span><span class="PUNC">(</span><span class="STRN">'2d'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>292</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">_self.context2d</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>293</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>294</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>295</span> 
<span class='line'>296</span> </span><span class="WHIT">    </span><span class="COMM">// Setup the color mixer inputs.</span><span class="WHIT">
<span class='line'>297</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">elem</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">label</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">labelElem</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>298</span> </span><span class="WHIT">        </span><span class="NAME">inputValues</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">config.inputValues</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>299</span> </span><span class="WHIT">        </span><span class="NAME">form</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.panelInputs.container</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>300</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">form</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>301</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>302</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>303</span> 
<span class='line'>304</span> </span><span class="WHIT">    </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="KEYW">in</span><span class="WHIT"> </span><span class="NAME">_self.inputs</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>305</span> </span><span class="WHIT">      </span><span class="NAME">elem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">form.elements.namedItem</span><span class="PUNC">(</span><span class="STRN">'ckey_'</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">gui.inputs</span><span class="PUNC">[</span><span class="STRN">'ckey_'</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>306</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">elem</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>307</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>308</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>309</span> 
<span class='line'>310</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'hex'</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'alpha'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>311</span> </span><span class="WHIT">        </span><span class="NAME">label</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">lang.inputs</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>312</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>313</span> </span><span class="WHIT">        </span><span class="NAME">label</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">lang.inputs</span><span class="PUNC">[</span><span class="NAME">_self.ckey_grouping</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'_'</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>314</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>315</span> 
<span class='line'>316</span> </span><span class="WHIT">      </span><span class="NAME">labelElem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">elem.parentNode</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>317</span> </span><span class="WHIT">      </span><span class="NAME">labelElem.replaceChild</span><span class="PUNC">(</span><span class="NAME">doc.createTextNode</span><span class="PUNC">(</span><span class="NAME">label</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">labelElem.firstChild</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>318</span> 
<span class='line'>319</span> </span><span class="WHIT">      </span><span class="NAME">elem.addEventListener</span><span class="PUNC">(</span><span class="STRN">'input'</span><span class="PUNC">,</span><span class="WHIT">  </span><span class="NAME">_self.ev_input_change</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>320</span> </span><span class="WHIT">      </span><span class="NAME">elem.addEventListener</span><span class="PUNC">(</span><span class="STRN">'change'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.ev_input_change</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>321</span> 
<span class='line'>322</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="STRN">'hex'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>323</span> </span><span class="WHIT">        </span><span class="NAME">elem.setAttribute</span><span class="PUNC">(</span><span class="STRN">'step'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">inputValues</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>324</span> 
<span class='line'>325</span> </span><span class="WHIT">        </span><span class="NAME">elem.setAttribute</span><span class="PUNC">(</span><span class="STRN">'max'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">inputValues</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>326</span> </span><span class="WHIT">        </span><span class="NAME">elem.setAttribute</span><span class="PUNC">(</span><span class="STRN">'min'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">inputValues</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>327</span> </span><span class="WHIT">        </span><span class="NAME">_self.abs_max</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">inputValues</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">inputValues</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>328</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>329</span> 
<span class='line'>330</span> </span><span class="WHIT">      </span><span class="COMM">// Store the color key, which is used by the event handler.</span><span class="WHIT">
<span class='line'>331</span> </span><span class="WHIT">      </span><span class="NAME">elem._ckey</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>332</span> </span><span class="WHIT">      </span><span class="NAME">_self.inputs</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">elem</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>333</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>334</span> 
<span class='line'>335</span> </span><span class="WHIT">    </span><span class="COMM">// Setup the ckey inputs of type=radio.</span><span class="WHIT">
<span class='line'>336</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">ckey</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">form.ckey</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>337</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">ckey</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>338</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>339</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>340</span> </span><span class="WHIT">    </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">n</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ckey.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">n</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>341</span> </span><span class="WHIT">      </span><span class="NAME">elem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ckey</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>342</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_grouping</span><span class="PUNC">[</span><span class="NAME">elem.value</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'lab'</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> 
<span class='line'>343</span>           </span><span class="PUNC">!</span><span class="NAME">_self.context2d.putImageData</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>344</span> </span><span class="WHIT">        </span><span class="NAME">elem.disabled</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>345</span> </span><span class="WHIT">        </span><span class="KEYW">continue</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>346</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>347</span> 
<span class='line'>348</span> </span><span class="WHIT">      </span><span class="NAME">elem.addEventListener</span><span class="PUNC">(</span><span class="STRN">'change'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.ev_change_ckey_active</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>349</span> 
<span class='line'>350</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">elem.value</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">_self.ckey_active</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>351</span> </span><span class="WHIT">        </span><span class="NAME">elem.checked</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>352</span> </span><span class="WHIT">        </span><span class="NAME">_self.update_ckey_active</span><span class="PUNC">(</span><span class="NAME">_self.ckey_active</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>353</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>354</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>355</span> 
<span class='line'>356</span> </span><span class="WHIT">    </span><span class="COMM">// Prepare the color preview elements.</span><span class="WHIT">
<span class='line'>357</span> </span><span class="WHIT">    </span><span class="NAME">_self.elems.colorActive</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gui.elems.colormixer_colorActive.firstChild</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>358</span> </span><span class="WHIT">    </span><span class="NAME">_self.elems.colorOld</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gui.elems.colormixer_colorOld.firstChild</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>359</span> </span><span class="WHIT">    </span><span class="NAME">_self.elems.colorOld.addEventListener</span><span class="PUNC">(</span><span class="STRN">'click'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.ev_click_color</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>360</span> 
<span class='line'>361</span> </span><span class="WHIT">    </span><span class="COMM">// Make sure the buttons work properly.</span><span class="WHIT">
<span class='line'>362</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">anchor</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">btn</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">buttons</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="STRN">'accept'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'cancel'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'saveColor'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'pickColor'</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>363</span> </span><span class="WHIT">    </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">n</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">buttons.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">n</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>364</span> </span><span class="WHIT">      </span><span class="NAME">btn</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gui.elems</span><span class="PUNC">[</span><span class="STRN">'colormixer_btn_'</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">buttons</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>365</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">btn</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>366</span> </span><span class="WHIT">        </span><span class="KEYW">continue</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>367</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>368</span> 
<span class='line'>369</span> </span><span class="WHIT">      </span><span class="NAME">anchor</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">doc.createElement</span><span class="PUNC">(</span><span class="STRN">'a'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>370</span> </span><span class="WHIT">      </span><span class="NAME">anchor.href</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'#'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>371</span> </span><span class="WHIT">      </span><span class="NAME">anchor.appendChild</span><span class="PUNC">(</span><span class="NAME">doc.createTextNode</span><span class="PUNC">(</span><span class="NAME">lang.buttons</span><span class="PUNC">[</span><span class="NAME">buttons</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>372</span> </span><span class="WHIT">      </span><span class="NAME">anchor.addEventListener</span><span class="PUNC">(</span><span class="STRN">'click'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self</span><span class="PUNC">[</span><span class="STRN">'ev_click_'</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">buttons</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>373</span> 
<span class='line'>374</span> </span><span class="WHIT">      </span><span class="NAME">btn.replaceChild</span><span class="PUNC">(</span><span class="NAME">anchor</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">btn.firstChild</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>375</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>376</span> 
<span class='line'>377</span> </span><span class="WHIT">    </span><span class="COMM">// Prepare the canvas "controls" (the chart "dot" and the slider).</span><span class="WHIT">
<span class='line'>378</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">id</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">elems</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="STRN">'controls'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'chartDot'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'slider'</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>379</span> </span><span class="WHIT">    </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">n</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">elems.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">n</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>380</span> </span><span class="WHIT">      </span><span class="NAME">id</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">elems</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>381</span> </span><span class="WHIT">      </span><span class="NAME">elem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gui.elems</span><span class="PUNC">[</span><span class="STRN">'colormixer_'</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">id</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>382</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">elem</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>383</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>384</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>385</span> 
<span class='line'>386</span> </span><span class="WHIT">      </span><span class="NAME">elem.addEventListener</span><span class="PUNC">(</span><span class="STRN">'mousedown'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.ev_canvas</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>387</span> </span><span class="WHIT">      </span><span class="NAME">elem.addEventListener</span><span class="PUNC">(</span><span class="STRN">'mousemove'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.ev_canvas</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>388</span> </span><span class="WHIT">      </span><span class="NAME">elem.addEventListener</span><span class="PUNC">(</span><span class="STRN">'mouseup'</span><span class="PUNC">,</span><span class="WHIT">   </span><span class="NAME">_self.ev_canvas</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>389</span> 
<span class='line'>390</span> </span><span class="WHIT">      </span><span class="NAME">_self.elems</span><span class="PUNC">[</span><span class="NAME">id</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">elem</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>391</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>392</span> 
<span class='line'>393</span> </span><span class="WHIT">    </span><span class="COMM">// The color palette &lt;select>.</span><span class="WHIT">
<span class='line'>394</span> </span><span class="WHIT">    </span><span class="NAME">_self.elems.cpaletteInput</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gui.inputs.colormixer_cpaletteInput</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>395</span> </span><span class="WHIT">    </span><span class="NAME">_self.elems.cpaletteInput.addEventListener</span><span class="PUNC">(</span><span class="STRN">'change'</span><span class="PUNC">,</span><span class="WHIT"> 
<span class='line'>396</span>         </span><span class="NAME">_self.ev_change_cpalette</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>397</span> 
<span class='line'>398</span> </span><span class="WHIT">    </span><span class="COMM">// Add the list of color palettes into the &lt;select>.</span><span class="WHIT">
<span class='line'>399</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">palette</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>400</span> </span><span class="WHIT">    </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="KEYW">in</span><span class="WHIT"> </span><span class="NAME">config.colorPalettes</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>401</span> </span><span class="WHIT">      </span><span class="NAME">palette</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">config.colorPalettes</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>402</span> </span><span class="WHIT">      </span><span class="NAME">elem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">doc.createElement</span><span class="PUNC">(</span><span class="STRN">'option'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>403</span> </span><span class="WHIT">      </span><span class="NAME">elem.value</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>404</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">config.paletteDefault</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>405</span> </span><span class="WHIT">        </span><span class="NAME">elem.selected</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>406</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>407</span> 
<span class='line'>408</span> </span><span class="WHIT">      </span><span class="NAME">elem.appendChild</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">doc.createTextNode</span><span class="PUNC">(</span><span class="NAME">lang.colorPalettes</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>409</span> </span><span class="WHIT">      </span><span class="NAME">_self.elems.cpaletteInput.appendChild</span><span class="PUNC">(</span><span class="NAME">elem</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>410</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>411</span> 
<span class='line'>412</span> </span><span class="WHIT">    </span><span class="COMM">// This is the ordered list where we add each color (list item).</span><span class="WHIT">
<span class='line'>413</span> </span><span class="WHIT">    </span><span class="NAME">_self.elems.cpaletteOutput</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gui.elems.colormixer_cpaletteOutput</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>414</span> </span><span class="WHIT">    </span><span class="NAME">_self.elems.cpaletteOutput.addEventListener</span><span class="PUNC">(</span><span class="STRN">'click'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.ev_click_color</span><span class="PUNC">,</span><span class="WHIT"> 
<span class='line'>415</span>         </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>416</span> 
<span class='line'>417</span> </span><span class="WHIT">    </span><span class="NAME">_self.cpalette_load</span><span class="PUNC">(</span><span class="NAME">config.paletteDefault</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>418</span> 
<span class='line'>419</span> </span><span class="WHIT">    </span><span class="COMM">// Make sure the Canvas element scale is in sync with the application.</span><span class="WHIT">
<span class='line'>420</span> </span><span class="WHIT">    </span><span class="NAME">app.events.add</span><span class="PUNC">(</span><span class="STRN">'canvasSizeChange'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.update_dimensions</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>421</span> 
<span class='line'>422</span> </span><span class="WHIT">    </span><span class="NAME">_self.panelSelector.events.add</span><span class="PUNC">(</span><span class="STRN">'guiTabActivate'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.ev_tabActivate</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>423</span> 
<span class='line'>424</span> </span><span class="WHIT">    </span><span class="COMM">// Make sure the Color Mixer is properly closed when the floating panel is </span><span class="WHIT">
<span class='line'>425</span> </span><span class="WHIT">    </span><span class="COMM">// closed.</span><span class="WHIT">
<span class='line'>426</span> </span><span class="WHIT">    </span><span class="NAME">_self.panel.events.add</span><span class="PUNC">(</span><span class="STRN">'guiFloatingPanelStateChange'</span><span class="PUNC">,</span><span class="WHIT"> 
<span class='line'>427</span>         </span><span class="NAME">_self.ev_panel_stateChange</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>428</span> 
<span class='line'>429</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>430</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>431</span> 
<span class='line'>432</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>433</span>    * This function calculates lots of values used by the other CIE Lab-related 
<span class='line'>434</span>    * functions.
<span class='line'>435</span>    *
<span class='line'>436</span>    * @private
<span class='line'>437</span>    * @returns {Boolean} True if the initialization was successful, or false if 
<span class='line'>438</span>    * not.
<span class='line'>439</span>    */</span><span class="WHIT">
<span class='line'>440</span> </span><span class="WHIT">  </span><span class="NAME">this.init_lab</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>441</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">cfg</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">config.lab</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>442</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">cfg</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>443</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>444</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>445</span> 
<span class='line'>446</span> </span><span class="WHIT">    </span><span class="COMM">// Chromaticity coordinates for the RGB primaries.</span><span class="WHIT">
<span class='line'>447</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">x0_r</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cfg.x_r</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>448</span> </span><span class="WHIT">        </span><span class="NAME">y0_r</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cfg.y_r</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>449</span> </span><span class="WHIT">        </span><span class="NAME">x0_g</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cfg.x_g</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>450</span> </span><span class="WHIT">        </span><span class="NAME">y0_g</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cfg.y_g</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>451</span> </span><span class="WHIT">        </span><span class="NAME">x0_b</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cfg.x_b</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>452</span> </span><span class="WHIT">        </span><span class="NAME">y0_b</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cfg.y_b</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>453</span> 
<span class='line'>454</span> </span><span class="WHIT">        </span><span class="COMM">// The reference white point (xyY to XYZ).</span><span class="WHIT">
<span class='line'>455</span> </span><span class="WHIT">        </span><span class="NAME">w_x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cfg.ref_x</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">cfg.ref_y</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>456</span> </span><span class="WHIT">        </span><span class="NAME">w_y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>457</span> </span><span class="WHIT">        </span><span class="NAME">w_z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">cfg.ref_x</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">cfg.ref_y</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">cfg.ref_y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>458</span> 
<span class='line'>459</span> </span><span class="WHIT">    </span><span class="NAME">cfg.w_x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">w_x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>460</span> </span><span class="WHIT">    </span><span class="NAME">cfg.w_y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">w_y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>461</span> </span><span class="WHIT">    </span><span class="NAME">cfg.w_z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">w_z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>462</span> 
<span class='line'>463</span> </span><span class="WHIT">    </span><span class="COMM">// Again, xyY to XYZ for each RGB primary. Y=1.</span><span class="WHIT">
<span class='line'>464</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">x_r</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">x0_r</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">y0_r</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>465</span> </span><span class="WHIT">        </span><span class="NAME">y_r</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>466</span> </span><span class="WHIT">        </span><span class="NAME">z_r</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">x0_r</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">y0_r</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">y0_r</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>467</span> </span><span class="WHIT">        </span><span class="NAME">x_g</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">x0_g</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">y0_g</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>468</span> </span><span class="WHIT">        </span><span class="NAME">y_g</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>469</span> </span><span class="WHIT">        </span><span class="NAME">z_g</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">x0_g</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">y0_g</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">y0_g</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>470</span> </span><span class="WHIT">        </span><span class="NAME">x_b</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">x0_b</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">y0_b</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>471</span> </span><span class="WHIT">        </span><span class="NAME">y_b</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>472</span> </span><span class="WHIT">        </span><span class="NAME">z_b</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">x0_b</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">y0_b</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">y0_b</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>473</span> </span><span class="WHIT">        </span><span class="NAME">m</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="NAME">x_r</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y_r</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">z_r</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>474</span> </span><span class="WHIT">               </span><span class="NAME">x_g</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y_g</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">z_g</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>475</span> </span><span class="WHIT">               </span><span class="NAME">x_b</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y_b</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">z_b</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>476</span> </span><span class="WHIT">        </span><span class="NAME">m_i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.calc_m3inv</span><span class="PUNC">(</span><span class="NAME">m</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>477</span> </span><span class="WHIT">        </span><span class="NAME">s</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.calc_m1x3</span><span class="PUNC">(</span><span class="PUNC">[</span><span class="NAME">w_x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w_y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w_z</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">m_i</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>478</span> 
<span class='line'>479</span> </span><span class="WHIT">    </span><span class="COMM">// The 3x3 matrix used by rgb2xyz().</span><span class="WHIT">
<span class='line'>480</span> </span><span class="WHIT">    </span><span class="NAME">m</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="NAME">s</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">s</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">s</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>481</span> </span><span class="WHIT">         </span><span class="NAME">s</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">3</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">s</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">4</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">s</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">5</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>482</span> </span><span class="WHIT">         </span><span class="NAME">s</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">6</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">s</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">7</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">s</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">8</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>483</span> 
<span class='line'>484</span> </span><span class="WHIT">    </span><span class="COMM">// The matrix inverse, used by xyz2rgb();</span><span class="WHIT">
<span class='line'>485</span> </span><span class="WHIT">    </span><span class="NAME">cfg.m_i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.calc_m3inv</span><span class="PUNC">(</span><span class="NAME">m</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>486</span> </span><span class="WHIT">    </span><span class="NAME">cfg.m</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>487</span> 
<span class='line'>488</span> </span><span class="WHIT">    </span><span class="COMM">// Now determine the min/max values for a and b.</span><span class="WHIT">
<span class='line'>489</span> 
<span class='line'>490</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">xyz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.rgb2xyz</span><span class="PUNC">(</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="COMM">// green gives the minimum value for a</span><span class="WHIT">
<span class='line'>491</span> </span><span class="WHIT">        </span><span class="NAME">lab</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.xyz2lab</span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>492</span> </span><span class="WHIT">        </span><span class="NAME">values</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">config.inputValues</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>493</span> </span><span class="WHIT">    </span><span class="NAME">values.cie_a</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">lab</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>494</span> 
<span class='line'>495</span> </span><span class="WHIT">    </span><span class="NAME">xyz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.rgb2xyz</span><span class="PUNC">(</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">     </span><span class="COMM">// magenta gives the maximum value for a</span><span class="WHIT">
<span class='line'>496</span> </span><span class="WHIT">    </span><span class="NAME">lab</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.xyz2lab</span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>497</span> </span><span class="WHIT">    </span><span class="NAME">values.cie_a</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">lab</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>498</span> 
<span class='line'>499</span> </span><span class="WHIT">    </span><span class="NAME">xyz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.rgb2xyz</span><span class="PUNC">(</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">     </span><span class="COMM">// blue gives the minimum value for b</span><span class="WHIT">
<span class='line'>500</span> </span><span class="WHIT">    </span><span class="NAME">lab</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.xyz2lab</span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>501</span> </span><span class="WHIT">    </span><span class="NAME">values.cie_b</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">lab</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>502</span> 
<span class='line'>503</span> </span><span class="WHIT">    </span><span class="NAME">xyz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.rgb2xyz</span><span class="PUNC">(</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">     </span><span class="COMM">// yellow gives the maximum value for b</span><span class="WHIT">
<span class='line'>504</span> </span><span class="WHIT">    </span><span class="NAME">lab</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.xyz2lab</span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>505</span> </span><span class="WHIT">    </span><span class="NAME">values.cie_b</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">lab</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>506</span> 
<span class='line'>507</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>508</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>509</span> 
<span class='line'>510</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>511</span>    * The &lt;code>guiTabActivate&lt;/code> event handler for the tab panel which holds 
<span class='line'>512</span>    * the color mixer and the color palettes. When switching back to the color 
<span class='line'>513</span>    * mixer, this method updates the Canvas.
<span class='line'>514</span>    *
<span class='line'>515</span>    * @private
<span class='line'>516</span>    * @param {pwlib.appEvent.guiTabActivate} ev The application event object.
<span class='line'>517</span>    */</span><span class="WHIT">
<span class='line'>518</span> </span><span class="WHIT">  </span><span class="NAME">this.ev_tabActivate</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>519</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev.tabId</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'mixer'</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">_self.update_canvas_needed</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>520</span> </span><span class="WHIT">      </span><span class="NAME">_self.update_canvas</span><span class="PUNC">(</span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>521</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>522</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>523</span> 
<span class='line'>524</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>525</span>    * The &lt;code>click&lt;/code> event handler for the Accept button. This method 
<span class='line'>526</span>    * dispatches the {@link pwlib.appEvent.configChange} application event for 
<span class='line'>527</span>    * the configuration property associated to the target input, and hides the 
<span class='line'>528</span>    * Color Mixer floating panel.
<span class='line'>529</span>    *
<span class='line'>530</span>    * @private
<span class='line'>531</span>    * @param {Event} ev The DOM Event object.
<span class='line'>532</span>    */</span><span class="WHIT">
<span class='line'>533</span> </span><span class="WHIT">  </span><span class="NAME">this.ev_click_accept</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>534</span> </span><span class="WHIT">    </span><span class="NAME">ev.preventDefault</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>535</span> 
<span class='line'>536</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">configProperty</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.targetInput.configProperty</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>537</span> </span><span class="WHIT">        </span><span class="NAME">configGroup</span><span class="WHIT">    </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.targetInput.configGroup</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>538</span> </span><span class="WHIT">        </span><span class="NAME">configGroupRef</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.targetInput.configGroupRef</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>539</span> </span><span class="WHIT">        </span><span class="NAME">prevVal</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">configGroupRef</span><span class="PUNC">[</span><span class="NAME">configProperty</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>540</span> </span><span class="WHIT">        </span><span class="NAME">newVal</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'rgba('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">_self.color.red</span><span class="WHIT">   </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT">
<span class='line'>541</span> </span><span class="WHIT">                            </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">_self.color.green</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT">
<span class='line'>542</span> </span><span class="WHIT">                            </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">_self.color.blue</span><span class="WHIT">  </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT">
<span class='line'>543</span> </span><span class="WHIT">                            </span><span class="NAME">_self.color.alpha</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>544</span> 
<span class='line'>545</span> </span><span class="WHIT">    </span><span class="NAME">_self.hide</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>546</span> 
<span class='line'>547</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">prevVal</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">newVal</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>548</span> </span><span class="WHIT">      </span><span class="NAME">configGroupRef</span><span class="PUNC">[</span><span class="NAME">configProperty</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">newVal</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>549</span> </span><span class="WHIT">      </span><span class="NAME">app.events.dispatch</span><span class="PUNC">(</span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">pwlib.appEvent.configChange</span><span class="PUNC">(</span><span class="NAME">newVal</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">prevVal</span><span class="PUNC">,</span><span class="WHIT"> 
<span class='line'>550</span>           </span><span class="NAME">configProperty</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">configGroup</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">configGroupRef</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>551</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>552</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>553</span> 
<span class='line'>554</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>555</span>    * The &lt;code>click&lt;/code> event handler for the Cancel button. This method 
<span class='line'>556</span>    * hides the Color Mixer floating panel.
<span class='line'>557</span>    *
<span class='line'>558</span>    * @private
<span class='line'>559</span>    * @param {Event} ev The DOM Event object.
<span class='line'>560</span>    */</span><span class="WHIT">
<span class='line'>561</span> </span><span class="WHIT">  </span><span class="NAME">this.ev_click_cancel</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>562</span> </span><span class="WHIT">    </span><span class="NAME">ev.preventDefault</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>563</span> </span><span class="WHIT">    </span><span class="NAME">_self.hide</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>564</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>565</span> 
<span class='line'>566</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>567</span>    * The &lt;code>click&lt;/code> event handler for the "Save color" button. This 
<span class='line'>568</span>    * method adds the current color into the "_saved" color palette.
<span class='line'>569</span>    *
<span class='line'>570</span>    * @private
<span class='line'>571</span>    * @param {Event} ev The DOM Event object.
<span class='line'>572</span>    */</span><span class="WHIT">
<span class='line'>573</span> </span><span class="WHIT">  </span><span class="COMM">// TODO: provide a way to save the color palette permanently. This should use </span><span class="WHIT">
<span class='line'>574</span> </span><span class="WHIT">  </span><span class="COMM">// some application event.</span><span class="WHIT">
<span class='line'>575</span> </span><span class="WHIT">  </span><span class="NAME">this.ev_click_saveColor</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>576</span> </span><span class="WHIT">    </span><span class="NAME">ev.preventDefault</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>577</span> 
<span class='line'>578</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="NAME">_self.color.red</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.color.green</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.color.blue</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>579</span> </span><span class="WHIT">        </span><span class="NAME">saved</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">config.colorPalettes._saved</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>580</span> 
<span class='line'>581</span> </span><span class="WHIT">    </span><span class="NAME">saved.colors.push</span><span class="PUNC">(</span><span class="NAME">color</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>582</span> 
<span class='line'>583</span> </span><span class="WHIT">    </span><span class="NAME">_self.elems.cpaletteInput.value</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'_saved'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>584</span> </span><span class="WHIT">    </span><span class="NAME">_self.cpalette_load</span><span class="PUNC">(</span><span class="STRN">'_saved'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>585</span> </span><span class="WHIT">    </span><span class="NAME">_self.panelSelector.tabActivate</span><span class="PUNC">(</span><span class="STRN">'cpalettes'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>586</span> 
<span class='line'>587</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>588</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>589</span> 
<span class='line'>590</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>591</span>    * The &lt;code>click&lt;/code> event handler for the "Pick color" button. This 
<span class='line'>592</span>    * method activates the color picker tool.
<span class='line'>593</span>    *
<span class='line'>594</span>    * @private
<span class='line'>595</span>    * @param {Event} ev The DOM Event object.
<span class='line'>596</span>    */</span><span class="WHIT">
<span class='line'>597</span> </span><span class="WHIT">  </span><span class="NAME">this.ev_click_pickColor</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>598</span> </span><span class="WHIT">    </span><span class="NAME">ev.preventDefault</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>599</span> </span><span class="WHIT">    </span><span class="NAME">app.toolActivate</span><span class="PUNC">(</span><span class="STRN">'cpicker'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">ev</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>600</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>601</span> 
<span class='line'>602</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>603</span>    * The &lt;code>change&lt;/code> event handler for the color palette input element.  
<span class='line'>604</span>    * This loads the color palette the user selected.
<span class='line'>605</span>    *
<span class='line'>606</span>    * @private
<span class='line'>607</span>    * @param {Event} ev The DOM Event object.
<span class='line'>608</span>    */</span><span class="WHIT">
<span class='line'>609</span> </span><span class="WHIT">  </span><span class="NAME">this.ev_change_cpalette</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>610</span> </span><span class="WHIT">    </span><span class="NAME">_self.cpalette_load</span><span class="PUNC">(</span><span class="NAME">this.value</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>611</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>612</span> 
<span class='line'>613</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>614</span>    * Load a color palette. Loading is performed asynchronously.
<span class='line'>615</span>    *
<span class='line'>616</span>    * @param {String} id The color palette ID.
<span class='line'>617</span>    *
<span class='line'>618</span>    * @returns {Boolean} True if the load was successful, or false if not.
<span class='line'>619</span>    */</span><span class="WHIT">
<span class='line'>620</span> </span><span class="WHIT">  </span><span class="NAME">this.cpalette_load</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">id</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>621</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">id</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="PUNC">(</span><span class="NAME">id</span><span class="WHIT"> </span><span class="KEYW">in</span><span class="WHIT"> </span><span class="NAME">config.colorPalettes</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>622</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>623</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>624</span> 
<span class='line'>625</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">palette</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">config.colorPalettes</span><span class="PUNC">[</span><span class="NAME">id</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>626</span> 
<span class='line'>627</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">palette.file</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>628</span> </span><span class="WHIT">      </span><span class="NAME">pwlib.xhrLoad</span><span class="PUNC">(</span><span class="NAME">PaintWeb.baseFolder</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">palette.file</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">this.cpalette_loaded</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>629</span> 
<span class='line'>630</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>631</span> 
<span class='line'>632</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">palette.colors</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>633</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">this.cpalette_show</span><span class="PUNC">(</span><span class="NAME">palette.colors</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>634</span> 
<span class='line'>635</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>636</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>637</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>638</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>639</span> 
<span class='line'>640</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>641</span>    * The &lt;code>onreadystatechange&lt;/code> event handler for the color palette 
<span class='line'>642</span>    * XMLHttpRequest object.
<span class='line'>643</span>    *
<span class='line'>644</span>    * @private
<span class='line'>645</span>    * @param {XMLHttpRequest} xhr The XMLHttpRequest object.
<span class='line'>646</span>    */</span><span class="WHIT">
<span class='line'>647</span> </span><span class="WHIT">  </span><span class="NAME">this.cpalette_loaded</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">xhr</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>648</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">xhr</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">xhr.readyState</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>649</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>650</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>651</span> 
<span class='line'>652</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">(</span><span class="NAME">xhr.status</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NUMB">304</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">xhr.status</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NUMB">200</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">xhr.responseText</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>653</span> </span><span class="WHIT">      </span><span class="NAME">alert</span><span class="PUNC">(</span><span class="NAME">lang.failedColorPaletteLoad</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>654</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>655</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>656</span> 
<span class='line'>657</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">colors</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">JSON.parse</span><span class="PUNC">(</span><span class="NAME">xhr.responseText</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>658</span> </span><span class="WHIT">    </span><span class="NAME">xhr</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>659</span> </span><span class="WHIT">    </span><span class="NAME">_self.cpalette_show</span><span class="PUNC">(</span><span class="NAME">colors</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>660</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>661</span> 
<span class='line'>662</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>663</span>    * Show a color palette. This method adds all the colors in the DOM as 
<span class='line'>664</span>    * individual anchor elements which users can click on.
<span class='line'>665</span>    *
<span class='line'>666</span>    * @private
<span class='line'>667</span>    *
<span class='line'>668</span>    * @param {Array} colors The array which holds each color in the palette.
<span class='line'>669</span>    *
<span class='line'>670</span>    * @returns {Boolean} True if the operation was successful, or false if not.
<span class='line'>671</span>    */</span><span class="WHIT">
<span class='line'>672</span> </span><span class="WHIT">  </span><span class="NAME">this.cpalette_show</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">colors</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>673</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">colors</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="PUNC">(</span><span class="NAME">colors</span><span class="WHIT"> </span><span class="KEYW">instanceof</span><span class="WHIT"> </span><span class="NAME">Array</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>674</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>675</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>676</span> 
<span class='line'>677</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">anchor</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">rgbValue</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>678</span> </span><span class="WHIT">        </span><span class="NAME">frag</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">doc.createDocumentFragment</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>679</span> </span><span class="WHIT">        </span><span class="NAME">dest</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.elems.cpaletteOutput</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>680</span> 
<span class='line'>681</span> </span><span class="WHIT">    </span><span class="NAME">dest.style.display</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'none'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>682</span> </span><span class="WHIT">    </span><span class="KEYW">while</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">dest.hasChildNodes</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>683</span> </span><span class="WHIT">      </span><span class="NAME">dest.removeChild</span><span class="PUNC">(</span><span class="NAME">dest.firstChild</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>684</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>685</span> 
<span class='line'>686</span> </span><span class="WHIT">    </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">n</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">colors.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">n</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>687</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">colors</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>688</span> 
<span class='line'>689</span> </span><span class="WHIT">      </span><span class="COMM">// Do not allow values higher than 1.</span><span class="WHIT">
<span class='line'>690</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathMin</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>691</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathMin</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>692</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathMin</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>693</span> 
<span class='line'>694</span> </span><span class="WHIT">      </span><span class="NAME">rgbValue</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'rgb('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT">
<span class='line'>695</span> </span><span class="WHIT">          </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT">
<span class='line'>696</span> </span><span class="WHIT">          </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>697</span> 
<span class='line'>698</span> </span><span class="WHIT">      </span><span class="NAME">anchor</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">doc.createElement</span><span class="PUNC">(</span><span class="STRN">'a'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>699</span> </span><span class="WHIT">      </span><span class="NAME">anchor.href</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'#'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>700</span> </span><span class="WHIT">      </span><span class="NAME">anchor._color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>701</span> </span><span class="WHIT">      </span><span class="NAME">anchor.style.backgroundColor</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">rgbValue</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>702</span> </span><span class="WHIT">      </span><span class="NAME">anchor.appendChild</span><span class="PUNC">(</span><span class="NAME">doc.createTextNode</span><span class="PUNC">(</span><span class="NAME">rgbValue</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>703</span> 
<span class='line'>704</span> </span><span class="WHIT">      </span><span class="NAME">frag.appendChild</span><span class="PUNC">(</span><span class="NAME">anchor</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>705</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>706</span> 
<span class='line'>707</span> </span><span class="WHIT">    </span><span class="NAME">dest.appendChild</span><span class="PUNC">(</span><span class="NAME">frag</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>708</span> </span><span class="WHIT">    </span><span class="NAME">dest.style.display</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'block'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>709</span> 
<span class='line'>710</span> </span><span class="WHIT">    </span><span class="NAME">colors</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">frag</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>711</span> 
<span class='line'>712</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>713</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>714</span> 
<span class='line'>715</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>716</span>    * The &lt;code>click&lt;/code> event handler for colors in the color palette list.  
<span class='line'>717</span>    * This event handler is also used for the "old color" element. This method 
<span class='line'>718</span>    * updates the color mixer to use the color the user picked.
<span class='line'>719</span>    *
<span class='line'>720</span>    * @private
<span class='line'>721</span>    * @param {Event} ev The DOM Event object.
<span class='line'>722</span>    */</span><span class="WHIT">
<span class='line'>723</span> </span><span class="WHIT">  </span><span class="NAME">this.ev_click_color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>724</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ev.target._color</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>725</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">color</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>726</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>727</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>728</span> 
<span class='line'>729</span> </span><span class="WHIT">    </span><span class="NAME">ev.preventDefault</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>730</span> 
<span class='line'>731</span> </span><span class="WHIT">    </span><span class="NAME">_self.color.red</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>732</span> </span><span class="WHIT">    </span><span class="NAME">_self.color.green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>733</span> </span><span class="WHIT">    </span><span class="NAME">_self.color.blue</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>734</span> 
<span class='line'>735</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">typeof</span><span class="PUNC">(</span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">3</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="STRN">'undefined'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>736</span> </span><span class="WHIT">      </span><span class="NAME">_self.color.alpha</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">3</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>737</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>738</span> 
<span class='line'>739</span> </span><span class="WHIT">    </span><span class="NAME">_self.update_color</span><span class="PUNC">(</span><span class="STRN">'rgb'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>740</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>741</span> 
<span class='line'>742</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>743</span>    * Recalculate the dimensions and coordinates for the slider and for the color 
<span class='line'>744</span>    * space visualisation within the Canvas element.
<span class='line'>745</span>    *
<span class='line'>746</span>    * &lt;p>This method is an event handler for the {@link 
<span class='line'>747</span>    * pwlib.appEvent.canvasSizeChange} application event.
<span class='line'>748</span>    *
<span class='line'>749</span>    * @private
<span class='line'>750</span>    */</span><span class="WHIT">
<span class='line'>751</span> </span><span class="WHIT">  </span><span class="NAME">this.update_dimensions</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>752</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">resScale</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">app.resolution.scale</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>753</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>754</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>755</span> 
<span class='line'>756</span> </span><span class="WHIT">    </span><span class="NAME">resScale</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">app.resolution.scale</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>757</span> 
<span class='line'>758</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">canvas</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.context2d.canvas</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>759</span> </span><span class="WHIT">        </span><span class="NAME">width</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">canvas.width</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>760</span> </span><span class="WHIT">        </span><span class="NAME">height</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">canvas.height</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>761</span> </span><span class="WHIT">        </span><span class="NAME">sWidth</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">width</span><span class="WHIT">  </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">resScale</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>762</span> </span><span class="WHIT">        </span><span class="NAME">sHeight</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">height</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">resScale</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>763</span> </span><span class="WHIT">        </span><span class="NAME">style</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>764</span> 
<span class='line'>765</span> </span><span class="WHIT">    </span><span class="NAME">_self.sliderWidth</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">width</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">config.sliderWidth</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>766</span> </span><span class="WHIT">    </span><span class="NAME">_self.sliderHeight</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">height</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>767</span> </span><span class="WHIT">    </span><span class="NAME">_self.sliderSpacing</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">width</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">config.sliderSpacing</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>768</span> </span><span class="WHIT">    </span><span class="NAME">_self.sliderX</span><span class="WHIT">       </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">width</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">_self.sliderWidth</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>769</span> </span><span class="WHIT">    </span><span class="NAME">_self.chartWidth</span><span class="WHIT">    </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.sliderX</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">_self.sliderSpacing</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>770</span> </span><span class="WHIT">    </span><span class="NAME">_self.chartHeight</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>771</span> 
<span class='line'>772</span> </span><span class="WHIT">    </span><span class="NAME">style</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.elems.controls.style</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>773</span> </span><span class="WHIT">    </span><span class="NAME">style.width</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">sWidth</span><span class="WHIT">  </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'px'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>774</span> </span><span class="WHIT">    </span><span class="NAME">style.height</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">sHeight</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'px'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>775</span> 
<span class='line'>776</span> </span><span class="WHIT">    </span><span class="NAME">style</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.elems.slider.style</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>777</span> </span><span class="WHIT">    </span><span class="NAME">style.width</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.sliderWidth</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">resScale</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'px'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>778</span> </span><span class="WHIT">    </span><span class="NAME">style.left</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.sliderX</span><span class="WHIT">     </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">resScale</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'px'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>779</span> 
<span class='line'>780</span> </span><span class="WHIT">    </span><span class="NAME">style</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">canvas.style</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>781</span> </span><span class="WHIT">    </span><span class="NAME">style.width</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">sWidth</span><span class="WHIT">  </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'px'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>782</span> </span><span class="WHIT">    </span><span class="NAME">style.height</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">sHeight</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'px'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>783</span> 
<span class='line'>784</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.panel.state</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">_self.panel.STATE_HIDDEN</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>785</span> </span><span class="WHIT">      </span><span class="NAME">_self.update_canvas</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>786</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>787</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>788</span> 
<span class='line'>789</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>790</span>    * Calculate the product of two matrices.
<span class='line'>791</span>    *
<span class='line'>792</span>    * &lt;p>Matrices are one-dimensional arrays of the form &lt;code>[a0, a1, a2, ..., 
<span class='line'>793</span>    * b0, b1, b2, ...]&lt;/code> where each element from the matrix is given in 
<span class='line'>794</span>    * order, from the left to the right, row by row from the top to the bottom.
<span class='line'>795</span>    *
<span class='line'>796</span>    * @param {Array} a The first matrix must be one row and three columns.
<span class='line'>797</span>    * @param {Array} b The second matrix must be three rows and three columns.
<span class='line'>798</span>    *
<span class='line'>799</span>    * @returns {Array} The matrix product, one row and three columns.
<span class='line'>800</span>    */</span><span class="WHIT">
<span class='line'>801</span> </span><span class="WHIT">  </span><span class="COMM">// Note: for obvious reasons, this method is not a full-fledged matrix product </span><span class="WHIT">
<span class='line'>802</span> </span><span class="WHIT">  </span><span class="COMM">// calculator. It's as simple as possible - fitting only the very specific </span><span class="WHIT">
<span class='line'>803</span> </span><span class="WHIT">  </span><span class="COMM">// needs of the color mixer.</span><span class="WHIT">
<span class='line'>804</span> </span><span class="WHIT">  </span><span class="NAME">this.calc_m1x3</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">a</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">b</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>805</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="PUNC">(</span><span class="NAME">a</span><span class="WHIT"> </span><span class="KEYW">instanceof</span><span class="WHIT"> </span><span class="NAME">Array</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="PUNC">(</span><span class="NAME">b</span><span class="WHIT"> </span><span class="KEYW">instanceof</span><span class="WHIT"> </span><span class="NAME">Array</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>806</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>807</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>808</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="WHIT">
<span class='line'>809</span> </span><span class="WHIT">        </span><span class="NAME">a</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">b</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">a</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">b</span><span class="PUNC">[</span><span class="NUMB">3</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">a</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">b</span><span class="PUNC">[</span><span class="NUMB">6</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="COMM">// x</span><span class="WHIT">
<span class='line'>810</span> </span><span class="WHIT">        </span><span class="NAME">a</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">b</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">a</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">b</span><span class="PUNC">[</span><span class="NUMB">4</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">a</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">b</span><span class="PUNC">[</span><span class="NUMB">7</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="COMM">// y</span><span class="WHIT">
<span class='line'>811</span> </span><span class="WHIT">        </span><span class="NAME">a</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">b</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">a</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">b</span><span class="PUNC">[</span><span class="NUMB">5</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">a</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">b</span><span class="PUNC">[</span><span class="NUMB">8</span><span class="PUNC">]</span><span class="WHIT">  </span><span class="COMM">// z</span><span class="WHIT">
<span class='line'>812</span> </span><span class="WHIT">      </span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>813</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>814</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>815</span> 
<span class='line'>816</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>817</span>    * Calculate the matrix inverse.
<span class='line'>818</span>    *
<span class='line'>819</span>    * &lt;p>Matrices are one-dimensional arrays of the form &lt;code>[a0, a1, a2, ..., 
<span class='line'>820</span>    * b0, b1, b2, ...]&lt;/code> where each element from the matrix is given in 
<span class='line'>821</span>    * order, from the left to the right, row by row from the top to the bottom.
<span class='line'>822</span>    *
<span class='line'>823</span>    * @private
<span class='line'>824</span>    *
<span class='line'>825</span>    * @param {Array} m The square matrix which must have three rows and three 
<span class='line'>826</span>    * columns.
<span class='line'>827</span>    *
<span class='line'>828</span>    * @returns {Array|false} The computed matrix inverse, or false if the matrix 
<span class='line'>829</span>    * determinant was 0 - the given matrix is not invertible.
<span class='line'>830</span>    */</span><span class="WHIT">
<span class='line'>831</span> </span><span class="WHIT">  </span><span class="COMM">// Note: for obvious reasons, this method is not a full-fledged matrix inverse </span><span class="WHIT">
<span class='line'>832</span> </span><span class="WHIT">  </span><span class="COMM">// calculator. It's as simple as possible - fitting only the very specific </span><span class="WHIT">
<span class='line'>833</span> </span><span class="WHIT">  </span><span class="COMM">// needs of the color mixer.</span><span class="WHIT">
<span class='line'>834</span> </span><span class="WHIT">  </span><span class="NAME">this.calc_m3inv</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">m</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>835</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="PUNC">(</span><span class="NAME">m</span><span class="WHIT"> </span><span class="KEYW">instanceof</span><span class="WHIT"> </span><span class="NAME">Array</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>836</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>837</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>838</span> 
<span class='line'>839</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">4</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">8</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">5</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">6</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">3</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">7</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT">
<span class='line'>840</span> </span><span class="WHIT">            </span><span class="PUNC">(</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">4</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">6</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">5</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">7</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">8</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">3</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>841</span> 
<span class='line'>842</span> </span><span class="WHIT">    </span><span class="COMM">// Matrix determinant is 0: the matrix is not invertible.</span><span class="WHIT">
<span class='line'>843</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>844</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>845</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>846</span> 
<span class='line'>847</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="WHIT">
<span class='line'>848</span> </span><span class="WHIT">       </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">4</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">8</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">5</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">7</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">3</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">8</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">5</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">6</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT">  </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">3</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">7</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">4</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">6</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>849</span> </span><span class="WHIT">      </span><span class="PUNC">-</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">8</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">7</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT">  </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">8</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">6</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">7</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">6</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>850</span> </span><span class="WHIT">       </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">5</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">4</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">5</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">3</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT">  </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">4</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NAME">m</span><span class="PUNC">[</span><span class="NUMB">3</span><span class="PUNC">]</span><span class="WHIT">
<span class='line'>851</span> </span><span class="WHIT">    </span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>852</span> 
<span class='line'>853</span> </span><span class="WHIT">    </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">[</span><span class="NUMB">3</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">[</span><span class="NUMB">6</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>854</span> </span><span class="WHIT">         </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">[</span><span class="NUMB">4</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">[</span><span class="NUMB">7</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>855</span> </span><span class="WHIT">         </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">[</span><span class="NUMB">5</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">[</span><span class="NUMB">8</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>856</span> 
<span class='line'>857</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>858</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>859</span> 
<span class='line'>860</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>861</span>    * The &lt;code>change&lt;/code> event handler for the Color Mixer inputs of 
<span class='line'>862</span>    * type=radio. This method allows users to change the active color key - used 
<span class='line'>863</span>    * for the color space visualisation.
<span class='line'>864</span>    * @private
<span class='line'>865</span>    */</span><span class="WHIT">
<span class='line'>866</span> </span><span class="WHIT">  </span><span class="NAME">this.ev_change_ckey_active</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>867</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">this.value</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">this.value</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">_self.ckey_active</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>868</span> </span><span class="WHIT">      </span><span class="NAME">_self.update_ckey_active</span><span class="PUNC">(</span><span class="NAME">this.value</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>869</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>870</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>871</span> 
<span class='line'>872</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>873</span>    * Update the active color key. This method updates the Canvas accordingly.
<span class='line'>874</span>    *
<span class='line'>875</span>    * @private
<span class='line'>876</span>    *
<span class='line'>877</span>    * @param {String} ckey The color key you want to be active.
<span class='line'>878</span>    * @param {Boolean} [only_vars] Tells if you want only the variables to be 
<span class='line'>879</span>    * updated - no Canvas updates. This is true only during the Color Mixer 
<span class='line'>880</span>    * initialization.
<span class='line'>881</span>    *
<span class='line'>882</span>    * @return {Boolean} True if the operation was successful, or false if not.
<span class='line'>883</span>    */</span><span class="WHIT">
<span class='line'>884</span> </span><span class="WHIT">  </span><span class="NAME">this.update_ckey_active</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ckey</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">only_vars</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>885</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">_self.inputs</span><span class="PUNC">[</span><span class="NAME">ckey</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>886</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>887</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>888</span> 
<span class='line'>889</span> </span><span class="WHIT">    </span><span class="NAME">_self.ckey_active</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ckey</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>890</span> 
<span class='line'>891</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT">  </span><span class="NAME">adjoint</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">group</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.ckey_grouping</span><span class="PUNC">[</span><span class="NAME">ckey</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>892</span> 
<span class='line'>893</span> </span><span class="WHIT">    </span><span class="COMM">// Determine the adjoint color keys. For example, if red is active, then adjoint = ['green', 'blue'].</span><span class="WHIT">
<span class='line'>894</span> </span><span class="WHIT">    </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="KEYW">in</span><span class="WHIT"> </span><span class="NAME">_self.ckey_grouping</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>895</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_grouping</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">group</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">ckey</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>896</span> </span><span class="WHIT">        </span><span class="NAME">adjoint.push</span><span class="PUNC">(</span><span class="NAME">i</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>897</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>898</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>899</span> 
<span class='line'>900</span> </span><span class="WHIT">    </span><span class="NAME">_self.ckey_active_group</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">group</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>901</span> </span><span class="WHIT">    </span><span class="NAME">_self.ckey_adjoint</span><span class="WHIT">       </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">adjoint</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>902</span> 
<span class='line'>903</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">only_vars</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>904</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.panelSelector.tabId</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="STRN">'mixer'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>905</span> </span><span class="WHIT">        </span><span class="NAME">_self.update_canvas_needed</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>906</span> </span><span class="WHIT">        </span><span class="NAME">_self.panelSelector.tabActivate</span><span class="PUNC">(</span><span class="STRN">'mixer'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>907</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>908</span> </span><span class="WHIT">        </span><span class="NAME">_self.update_canvas</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>909</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>910</span> 
<span class='line'>911</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.panelInputs.tabId</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">group</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>912</span> </span><span class="WHIT">        </span><span class="NAME">_self.panelInputs.tabActivate</span><span class="PUNC">(</span><span class="NAME">group</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>913</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>914</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>915</span> 
<span class='line'>916</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>917</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>918</span> 
<span class='line'>919</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>920</span>    * Show the Color Mixer.
<span class='line'>921</span>    *
<span class='line'>922</span>    * @param {Object} target The target input object.
<span class='line'>923</span>    *
<span class='line'>924</span>    * @param {Object} color The color you want to set before the Color Mixer is 
<span class='line'>925</span>    * shown. The object must have four properties: &lt;var>red&lt;/var>, 
<span class='line'>926</span>    * &lt;var>green&lt;/var>, &lt;var>blue&lt;/var> and &lt;var>alpha&lt;/var>. All the values must 
<span class='line'>927</span>    * be between 0 and 1. This color becomes the "active color" and the "old 
<span class='line'>928</span>    * color".
<span class='line'>929</span>    *
<span class='line'>930</span>    * @see this.targetInput for more information about the &lt;var>target&lt;/var> 
<span class='line'>931</span>    * object.
<span class='line'>932</span>    */</span><span class="WHIT">
<span class='line'>933</span> </span><span class="WHIT">  </span><span class="NAME">this.show</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">target</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>934</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">styleActive</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.elems.colorActive.style</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>935</span> </span><span class="WHIT">          </span><span class="NAME">colorOld</span><span class="WHIT">    </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.elems.colorOld</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>936</span> </span><span class="WHIT">          </span><span class="NAME">styleOld</span><span class="WHIT">    </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">colorOld.style</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>937</span> 
<span class='line'>938</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">target</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>939</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.targetInput</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>940</span> </span><span class="WHIT">        </span><span class="NAME">_self.targetInput.hide</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>941</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>942</span> 
<span class='line'>943</span> </span><span class="WHIT">      </span><span class="NAME">_self.targetInput</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>944</span> </span><span class="WHIT">      </span><span class="NAME">_self.targetInput.show</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>945</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>946</span> 
<span class='line'>947</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">color</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>948</span> </span><span class="WHIT">      </span><span class="NAME">_self.color.red</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color.red</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>949</span> </span><span class="WHIT">      </span><span class="NAME">_self.color.green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color.green</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>950</span> </span><span class="WHIT">      </span><span class="NAME">_self.color.blue</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color.blue</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>951</span> </span><span class="WHIT">      </span><span class="NAME">_self.color.alpha</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color.alpha</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>952</span> 
<span class='line'>953</span> </span><span class="WHIT">      </span><span class="NAME">_self.update_color</span><span class="PUNC">(</span><span class="STRN">'rgb'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>954</span> 
<span class='line'>955</span> </span><span class="WHIT">      </span><span class="NAME">styleOld.backgroundColor</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">styleActive.backgroundColor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>956</span> </span><span class="WHIT">      </span><span class="NAME">styleOld.opacity</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">styleActive.opacity</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>957</span> </span><span class="WHIT">      </span><span class="NAME">colorOld._color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="NAME">color.red</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color.green</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color.blue</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color.alpha</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>958</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>959</span> 
<span class='line'>960</span> </span><span class="WHIT">    </span><span class="NAME">_self.panel.show</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>961</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>962</span> 
<span class='line'>963</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>964</span>    * Hide the Color Mixer floating panel. This method invokes the 
<span class='line'>965</span>    * &lt;code>hide()&lt;/code> method provided by the target input.
<span class='line'>966</span>    */</span><span class="WHIT">
<span class='line'>967</span> </span><span class="WHIT">  </span><span class="NAME">this.hide</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>968</span> </span><span class="WHIT">    </span><span class="NAME">_self.panel.hide</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>969</span> </span><span class="WHIT">    </span><span class="NAME">_self.ev_canvas_mode</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>970</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>971</span> 
<span class='line'>972</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>973</span>    * The &lt;code>guiFloatingPanelStateChange&lt;/code> event handler for the Color 
<span class='line'>974</span>    * Mixer panel. This method ensures the Color Mixer is properly closed.
<span class='line'>975</span>    *
<span class='line'>976</span>    * @param {pwlib.appEvent.guiFloatingPanelStateChange} ev The application 
<span class='line'>977</span>    * event object.
<span class='line'>978</span>    */</span><span class="WHIT">
<span class='line'>979</span> </span><span class="WHIT">  </span><span class="NAME">this.ev_panel_stateChange</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>980</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev.state</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">ev.STATE_HIDDEN</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>981</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.targetInput</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>982</span> </span><span class="WHIT">        </span><span class="NAME">_self.targetInput.hide</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>983</span> </span><span class="WHIT">        </span><span class="NAME">_self.targetInput</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>984</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>985</span> </span><span class="WHIT">      </span><span class="NAME">_self.ev_canvas_mode</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>986</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>987</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>988</span> 
<span class='line'>989</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>990</span>    * The &lt;code>input&lt;/code> and &lt;code>change&lt;/code> event handler for all the 
<span class='line'>991</span>    * Color Mixer inputs.
<span class='line'>992</span>    * @private
<span class='line'>993</span>    */</span><span class="WHIT">
<span class='line'>994</span> </span><span class="WHIT">  </span><span class="NAME">this.ev_input_change</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>995</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">this._ckey</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>996</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>997</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>998</span> 
<span class='line'>999</span> </span><span class="WHIT">    </span><span class="COMM">// Validate and restrict the possible values.</span><span class="WHIT">
<span class='line'>1000</span> </span><span class="WHIT">    </span><span class="COMM">// If the input is unchanged, or if the new value is invalid, the function </span><span class="WHIT">
<span class='line'>1001</span> </span><span class="WHIT">    </span><span class="COMM">// stops.</span><span class="WHIT">
<span class='line'>1002</span> </span><span class="WHIT">    </span><span class="COMM">// The hexadecimal input is checked with a simple regular expression.</span><span class="WHIT">
<span class='line'>1003</span> 
<span class='line'>1004</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">(</span><span class="NAME">this._ckey</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'hex'</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="REGX">/^\#[a-f0-9]{6}$/i</span><span class="PUNC">.</span><span class="NAME">test</span><span class="PUNC">(</span><span class="NAME">this.value</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1005</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1006</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1007</span> 
<span class='line'>1008</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">this.getAttribute</span><span class="PUNC">(</span><span class="STRN">'type'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'number'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1009</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">parseInt</span><span class="PUNC">(</span><span class="NAME">this.value</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1010</span> </span><span class="WHIT">          </span><span class="NAME">min</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.getAttribute</span><span class="PUNC">(</span><span class="STRN">'min'</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1011</span> </span><span class="WHIT">          </span><span class="NAME">max</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.getAttribute</span><span class="PUNC">(</span><span class="STRN">'max'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1012</span> 
<span class='line'>1013</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">isNaN</span><span class="PUNC">(</span><span class="NAME">val</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1014</span> </span><span class="WHIT">        </span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">min</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1015</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1016</span> 
<span class='line'>1017</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">min</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1018</span> </span><span class="WHIT">        </span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">min</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1019</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NAME">max</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1020</span> </span><span class="WHIT">        </span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">max</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1021</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1022</span> 
<span class='line'>1023</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="NAME">this.value</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1024</span> </span><span class="WHIT">        </span><span class="NAME">this.value</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1025</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1026</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1027</span> 
<span class='line'>1028</span> </span><span class="WHIT">    </span><span class="COMM">// Update the internal color value.</span><span class="WHIT">
<span class='line'>1029</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">this._ckey</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'hex'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1030</span> </span><span class="WHIT">      </span><span class="NAME">_self.color</span><span class="PUNC">[</span><span class="NAME">this._ckey</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.value</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1031</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_grouping</span><span class="PUNC">[</span><span class="NAME">this._ckey</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'lab'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1032</span> </span><span class="WHIT">      </span><span class="NAME">_self.color</span><span class="PUNC">[</span><span class="NAME">this._ckey</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">parseInt</span><span class="PUNC">(</span><span class="NAME">this.value</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1033</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1034</span> </span><span class="WHIT">      </span><span class="NAME">_self.color</span><span class="PUNC">[</span><span class="NAME">this._ckey</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">parseInt</span><span class="PUNC">(</span><span class="NAME">this.value</span><span class="PUNC">)</span><span class="WHIT"> 
<span class='line'>1035</span>         </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">config.inputValues</span><span class="PUNC">[</span><span class="NAME">this._ckey</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1036</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1037</span> 
<span class='line'>1038</span> </span><span class="WHIT">    </span><span class="NAME">_self.update_color</span><span class="PUNC">(</span><span class="NAME">this._ckey</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1039</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1040</span> 
<span class='line'>1041</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1042</span>    * Update the current color. Once a color value is updated, this method is 
<span class='line'>1043</span>    * called to keep the rest of the color mixer in sync: for example, when a RGB 
<span class='line'>1044</span>    * value is updated, it needs to be converted to HSV, CMYK and all of the 
<span class='line'>1045</span>    * other formats. Additionally, this method updates the color preview, the 
<span class='line'>1046</span>    * controls on the Canvas and the input values.
<span class='line'>1047</span>    *
<span class='line'>1048</span>    * &lt;p>You need to call this function whenever you update the color manually.
<span class='line'>1049</span>    *
<span class='line'>1050</span>    * @param {String} ckey The color key that was updated.
<span class='line'>1051</span>    */</span><span class="WHIT">
<span class='line'>1052</span> </span><span class="WHIT">  </span><span class="NAME">this.update_color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ckey</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1053</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">group</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.ckey_grouping</span><span class="PUNC">[</span><span class="NAME">ckey</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">ckey</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1054</span> 
<span class='line'>1055</span> </span><span class="WHIT">    </span><span class="KEYW">switch</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">group</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1056</span> </span><span class="WHIT">      </span><span class="KEYW">case</span><span class="WHIT"> </span><span class="STRN">'rgb'</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'>1057</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2hsv</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1058</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2hex</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1059</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2lab</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1060</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2cmyk</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1061</span> </span><span class="WHIT">        </span><span class="KEYW">break</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1062</span> 
<span class='line'>1063</span> </span><span class="WHIT">      </span><span class="KEYW">case</span><span class="WHIT"> </span><span class="STRN">'hsv'</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'>1064</span> </span><span class="WHIT">        </span><span class="NAME">_self.hsv2rgb</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1065</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2hex</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1066</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2lab</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1067</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2cmyk</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1068</span> </span><span class="WHIT">        </span><span class="KEYW">break</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1069</span> 
<span class='line'>1070</span> </span><span class="WHIT">      </span><span class="KEYW">case</span><span class="WHIT"> </span><span class="STRN">'hex'</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'>1071</span> </span><span class="WHIT">        </span><span class="NAME">_self.hex2rgb</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1072</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2hsv</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1073</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2lab</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1074</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2cmyk</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1075</span> </span><span class="WHIT">        </span><span class="KEYW">break</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1076</span> 
<span class='line'>1077</span> </span><span class="WHIT">      </span><span class="KEYW">case</span><span class="WHIT"> </span><span class="STRN">'lab'</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'>1078</span> </span><span class="WHIT">        </span><span class="NAME">_self.lab2rgb</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1079</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2hsv</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1080</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2hex</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1081</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2cmyk</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1082</span> </span><span class="WHIT">        </span><span class="KEYW">break</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1083</span> 
<span class='line'>1084</span> </span><span class="WHIT">      </span><span class="KEYW">case</span><span class="WHIT"> </span><span class="STRN">'cmyk'</span><span class="PUNC">:</span><span class="WHIT">
<span class='line'>1085</span> </span><span class="WHIT">        </span><span class="NAME">_self.cmyk2rgb</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1086</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2lab</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1087</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2hsv</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1088</span> </span><span class="WHIT">        </span><span class="NAME">_self.rgb2hex</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1089</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1090</span> 
<span class='line'>1091</span> </span><span class="WHIT">    </span><span class="NAME">_self.update_preview</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1092</span> </span><span class="WHIT">    </span><span class="NAME">_self.update_inputs</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1093</span> 
<span class='line'>1094</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ckey</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="STRN">'alpha'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1095</span> </span><span class="WHIT">      </span><span class="NAME">_self.update_canvas</span><span class="PUNC">(</span><span class="NAME">ckey</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1096</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1097</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1098</span> 
<span class='line'>1099</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1100</span>    * Update the color preview.
<span class='line'>1101</span>    * @private
<span class='line'>1102</span>    */</span><span class="WHIT">
<span class='line'>1103</span> </span><span class="WHIT">  </span><span class="NAME">this.update_preview</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1104</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">red</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">_self.color.red</span><span class="WHIT">   </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1105</span> </span><span class="WHIT">        </span><span class="NAME">green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">_self.color.green</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1106</span> </span><span class="WHIT">        </span><span class="NAME">blue</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">_self.color.blue</span><span class="WHIT">  </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1107</span> </span><span class="WHIT">        </span><span class="NAME">style</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.elems.colorActive.style</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1108</span> 
<span class='line'>1109</span> </span><span class="WHIT">    </span><span class="NAME">style.backgroundColor</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'rgb('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">red</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">green</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">blue</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1110</span> </span><span class="WHIT">    </span><span class="NAME">style.opacity</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.color.alpha</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1111</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1112</span> 
<span class='line'>1113</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1114</span>    * Update the color inputs. This method takes the internal color values and 
<span class='line'>1115</span>    * shows them in the DOM input elements.
<span class='line'>1116</span>    * @private
<span class='line'>1117</span>    */</span><span class="WHIT">
<span class='line'>1118</span> </span><span class="WHIT">  </span><span class="NAME">this.update_inputs</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1119</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">input</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1120</span> </span><span class="WHIT">    </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="KEYW">in</span><span class="WHIT"> </span><span class="NAME">_self.inputs</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1121</span> </span><span class="WHIT">      </span><span class="NAME">input</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.inputs</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1122</span> </span><span class="WHIT">      </span><span class="NAME">input._old_value</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">input.value</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1123</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">input._ckey</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'hex'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1124</span> </span><span class="WHIT">        </span><span class="NAME">input.value</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.color</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1125</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_grouping</span><span class="PUNC">[</span><span class="NAME">input._ckey</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'lab'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1126</span> </span><span class="WHIT">        </span><span class="NAME">input.value</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">_self.color</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1127</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1128</span> </span><span class="WHIT">        </span><span class="NAME">input.value</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">_self.color</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">config.inputValues</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1129</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1130</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1131</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1132</span> 
<span class='line'>1133</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1134</span>    * Convert RGB to CMYK. This uses the current color RGB values and updates the 
<span class='line'>1135</span>    * CMYK values accordingly.
<span class='line'>1136</span>    * @private
<span class='line'>1137</span>    */</span><span class="WHIT">
<span class='line'>1138</span> </span><span class="WHIT">  </span><span class="COMM">// Quote from Wikipedia:</span><span class="WHIT">
<span class='line'>1139</span> </span><span class="WHIT">  </span><span class="COMM">// "Since RGB and CMYK spaces are both device-dependent spaces, there is no </span><span class="WHIT">
<span class='line'>1140</span> </span><span class="WHIT">  </span><span class="COMM">// simple or general conversion formula that converts between them.  </span><span class="WHIT">
<span class='line'>1141</span> </span><span class="WHIT">  </span><span class="COMM">// Conversions are generally done through color management systems, using </span><span class="WHIT">
<span class='line'>1142</span> </span><span class="WHIT">  </span><span class="COMM">// color profiles that describe the spaces being converted. Nevertheless, the </span><span class="WHIT">
<span class='line'>1143</span> </span><span class="WHIT">  </span><span class="COMM">// conversions cannot be exact, since these spaces have very different </span><span class="WHIT">
<span class='line'>1144</span> </span><span class="WHIT">  </span><span class="COMM">// gamuts."</span><span class="WHIT">
<span class='line'>1145</span> </span><span class="WHIT">  </span><span class="COMM">// Translation: this is just a simple RGB to CMYK conversion function.</span><span class="WHIT">
<span class='line'>1146</span> </span><span class="WHIT">  </span><span class="NAME">this.rgb2cmyk</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1147</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.color</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1148</span> </span><span class="WHIT">        </span><span class="NAME">cyan</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">magenta</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">yellow</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">black</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1149</span> </span><span class="WHIT">        </span><span class="NAME">red</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color.red</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1150</span> </span><span class="WHIT">        </span><span class="NAME">green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color.green</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1151</span> </span><span class="WHIT">        </span><span class="NAME">blue</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color.blue</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1152</span> 
<span class='line'>1153</span> </span><span class="WHIT">    </span><span class="NAME">cyan</span><span class="WHIT">    </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">red</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1154</span> </span><span class="WHIT">    </span><span class="NAME">magenta</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">green</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1155</span> </span><span class="WHIT">    </span><span class="NAME">yellow</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">blue</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1156</span> 
<span class='line'>1157</span> </span><span class="WHIT">    </span><span class="NAME">black</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathMin</span><span class="PUNC">(</span><span class="NAME">cyan</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">magenta</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">yellow</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1158</span> 
<span class='line'>1159</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">black</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1160</span> </span><span class="WHIT">      </span><span class="NAME">cyan</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">magenta</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">yellow</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1161</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1162</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">w</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">black</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1163</span> </span><span class="WHIT">      </span><span class="NAME">cyan</span><span class="WHIT">    </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">cyan</span><span class="WHIT">    </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">black</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1164</span> </span><span class="WHIT">      </span><span class="NAME">magenta</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">magenta</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">black</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1165</span> </span><span class="WHIT">      </span><span class="NAME">yellow</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">yellow</span><span class="WHIT">  </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">black</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1166</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1167</span> 
<span class='line'>1168</span> </span><span class="WHIT">    </span><span class="NAME">color.cyan</span><span class="WHIT">    </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cyan</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1169</span> </span><span class="WHIT">    </span><span class="NAME">color.magenta</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">magenta</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1170</span> </span><span class="WHIT">    </span><span class="NAME">color.yellow</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">yellow</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1171</span> </span><span class="WHIT">    </span><span class="NAME">color.black</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">black</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1172</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1173</span> 
<span class='line'>1174</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1175</span>    * Convert CMYK to RGB (internally).
<span class='line'>1176</span>    * @private
<span class='line'>1177</span>    */</span><span class="WHIT">
<span class='line'>1178</span> </span><span class="WHIT">  </span><span class="NAME">this.cmyk2rgb</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1179</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.color</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1180</span> </span><span class="WHIT">        </span><span class="NAME">w</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">color.black</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1181</span> 
<span class='line'>1182</span> </span><span class="WHIT">    </span><span class="NAME">color.red</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">color.cyan</span><span class="WHIT">    </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">w</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">color.black</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1183</span> </span><span class="WHIT">    </span><span class="NAME">color.green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">color.magenta</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">w</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">color.black</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1184</span> </span><span class="WHIT">    </span><span class="NAME">color.blue</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">color.yellow</span><span class="WHIT">  </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">w</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">color.black</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1185</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1186</span> 
<span class='line'>1187</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1188</span>    * Convert RGB to HSV (internally).
<span class='line'>1189</span>    * @private
<span class='line'>1190</span>    */</span><span class="WHIT">
<span class='line'>1191</span> </span><span class="WHIT">  </span><span class="NAME">this.rgb2hsv</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1192</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">hue</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">sat</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="COMM">// HSV</span><span class="WHIT">
<span class='line'>1193</span> </span><span class="WHIT">        </span><span class="NAME">red</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.color.red</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1194</span> </span><span class="WHIT">        </span><span class="NAME">green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.color.green</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1195</span> </span><span class="WHIT">        </span><span class="NAME">blue</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.color.blue</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1196</span> </span><span class="WHIT">        </span><span class="NAME">min</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathMin</span><span class="PUNC">(</span><span class="NAME">red</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">green</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">blue</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1197</span> </span><span class="WHIT">        </span><span class="NAME">max</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathMax</span><span class="PUNC">(</span><span class="NAME">red</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">green</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">blue</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1198</span> </span><span class="WHIT">        </span><span class="NAME">delta</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">max</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">min</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1199</span> </span><span class="WHIT">        </span><span class="NAME">val</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">max</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1200</span> 
<span class='line'>1201</span> </span><span class="WHIT">    </span><span class="COMM">// This is gray (red==green==blue)</span><span class="WHIT">
<span class='line'>1202</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">delta</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1203</span> </span><span class="WHIT">      </span><span class="NAME">hue</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">sat</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1204</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1205</span> </span><span class="WHIT">      </span><span class="NAME">sat</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">delta</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">max</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1206</span> 
<span class='line'>1207</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">max</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">red</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1208</span> </span><span class="WHIT">        </span><span class="NAME">hue</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">green</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT">  </span><span class="NAME">blue</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">delta</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1209</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">max</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">green</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1210</span> </span><span class="WHIT">        </span><span class="NAME">hue</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">blue</span><span class="WHIT">  </span><span class="PUNC">-</span><span class="WHIT">   </span><span class="NAME">red</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">delta</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1211</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">max</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT">  </span><span class="NAME">blue</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1212</span> </span><span class="WHIT">        </span><span class="NAME">hue</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">red</span><span class="WHIT">   </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">green</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">delta</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1213</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1214</span> 
<span class='line'>1215</span> </span><span class="WHIT">      </span><span class="NAME">hue</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">6</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1216</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">hue</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1217</span> </span><span class="WHIT">        </span><span class="NAME">hue</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1218</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1219</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1220</span> 
<span class='line'>1221</span> </span><span class="WHIT">    </span><span class="NAME">_self.color.hue</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">hue</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1222</span> </span><span class="WHIT">    </span><span class="NAME">_self.color.sat</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">sat</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1223</span> </span><span class="WHIT">    </span><span class="NAME">_self.color.val</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1224</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1225</span> 
<span class='line'>1226</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1227</span>    * Convert HSV to RGB.
<span class='line'>1228</span>    *
<span class='line'>1229</span>    * @private
<span class='line'>1230</span>    *
<span class='line'>1231</span>    * @param {Boolean} [no_update] Tells the function to not update the internal 
<span class='line'>1232</span>    * RGB color values.
<span class='line'>1233</span>    * @param {Array} [hsv] The array holding the HSV values you want to convert 
<span class='line'>1234</span>    * to RGB. This array must have three elements ordered as: &lt;var>hue&lt;/var>, 
<span class='line'>1235</span>    * &lt;var>saturation&lt;/var> and &lt;var>value&lt;/var> - all between 0 and 1. If you do 
<span class='line'>1236</span>    * not provide the array, then the internal HSV color values are used.
<span class='line'>1237</span>    *
<span class='line'>1238</span>    * @returns {Array} The RGB values converted from HSV. The array has three 
<span class='line'>1239</span>    * elements ordered as: &lt;var>red&lt;/var>, &lt;var>green&lt;/var> and &lt;var>blue&lt;/var> 
<span class='line'>1240</span>    * - all with values between 0 and 1.
<span class='line'>1241</span>    */</span><span class="WHIT">
<span class='line'>1242</span> </span><span class="WHIT">  </span><span class="NAME">this.hsv2rgb</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">no_update</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">hsv</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1243</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.color</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1244</span> </span><span class="WHIT">        </span><span class="NAME">red</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">green</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">blue</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">hue</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">sat</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1245</span> 
<span class='line'>1246</span> </span><span class="WHIT">    </span><span class="COMM">// Use custom HSV values or the current color.</span><span class="WHIT">
<span class='line'>1247</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">hsv</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1248</span> </span><span class="WHIT">      </span><span class="NAME">hue</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">hsv</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1249</span> </span><span class="WHIT">      </span><span class="NAME">sat</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">hsv</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1250</span> </span><span class="WHIT">      </span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">hsv</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1251</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1252</span> </span><span class="WHIT">      </span><span class="NAME">hue</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color.hue</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1253</span> </span><span class="WHIT">      </span><span class="NAME">sat</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color.sat</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1254</span> </span><span class="WHIT">      </span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color.val</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1255</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1256</span> 
<span class='line'>1257</span> </span><span class="WHIT">    </span><span class="COMM">// achromatic (grey)</span><span class="WHIT">
<span class='line'>1258</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">sat</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1259</span> </span><span class="WHIT">      </span><span class="NAME">red</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">blue</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1260</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1261</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">h</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">hue</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">6</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1262</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathFloor</span><span class="PUNC">(</span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1263</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">t1</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">sat</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1264</span> </span><span class="WHIT">          </span><span class="NAME">t2</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">sat</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">h</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1265</span> </span><span class="WHIT">          </span><span class="NAME">t3</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">sat</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">h</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1266</span> 
<span class='line'>1267</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">6</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> </span><span class="COMM">//   0° Red</span><span class="WHIT">
<span class='line'>1268</span> </span><span class="WHIT">        </span><span class="NAME">red</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">;</span><span class="WHIT">  </span><span class="NAME">green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">  </span><span class="NAME">t3</span><span class="PUNC">;</span><span class="WHIT">  </span><span class="NAME">blue</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">  </span><span class="NAME">t1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1269</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">    </span><span class="COMM">//  60° Yellow</span><span class="WHIT">
<span class='line'>1270</span> </span><span class="WHIT">        </span><span class="NAME">red</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">  </span><span class="NAME">t2</span><span class="PUNC">;</span><span class="WHIT">  </span><span class="NAME">green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">;</span><span class="WHIT">  </span><span class="NAME">blue</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">  </span><span class="NAME">t1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1271</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">    </span><span class="COMM">// 120° Green</span><span class="WHIT">
<span class='line'>1272</span> </span><span class="WHIT">        </span><span class="NAME">red</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">  </span><span class="NAME">t1</span><span class="PUNC">;</span><span class="WHIT">  </span><span class="NAME">green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">;</span><span class="WHIT">  </span><span class="NAME">blue</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">  </span><span class="NAME">t3</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1273</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">3</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">    </span><span class="COMM">// 180° Cyan</span><span class="WHIT">
<span class='line'>1274</span> </span><span class="WHIT">        </span><span class="NAME">red</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">  </span><span class="NAME">t1</span><span class="PUNC">;</span><span class="WHIT">  </span><span class="NAME">green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">  </span><span class="NAME">t2</span><span class="PUNC">;</span><span class="WHIT">  </span><span class="NAME">blue</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1275</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">    </span><span class="COMM">// 240° Blue</span><span class="WHIT">
<span class='line'>1276</span> </span><span class="WHIT">        </span><span class="NAME">red</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">  </span><span class="NAME">t3</span><span class="PUNC">;</span><span class="WHIT">  </span><span class="NAME">green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">  </span><span class="NAME">t1</span><span class="PUNC">;</span><span class="WHIT">  </span><span class="NAME">blue</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1277</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">5</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">    </span><span class="COMM">// 300° Magenta</span><span class="WHIT">
<span class='line'>1278</span> </span><span class="WHIT">        </span><span class="NAME">red</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">;</span><span class="WHIT">  </span><span class="NAME">green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">  </span><span class="NAME">t1</span><span class="PUNC">;</span><span class="WHIT">  </span><span class="NAME">blue</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">  </span><span class="NAME">t2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1279</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1280</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1281</span> 
<span class='line'>1282</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">no_update</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1283</span> </span><span class="WHIT">      </span><span class="NAME">color.red</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">red</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1284</span> </span><span class="WHIT">      </span><span class="NAME">color.green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">green</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1285</span> </span><span class="WHIT">      </span><span class="NAME">color.blue</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">blue</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1286</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1287</span> 
<span class='line'>1288</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="NAME">red</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">green</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">blue</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1289</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1290</span> 
<span class='line'>1291</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1292</span>    * Convert RGB to hexadecimal representation (internally).
<span class='line'>1293</span>    * @private
<span class='line'>1294</span>    */</span><span class="WHIT">
<span class='line'>1295</span> </span><span class="WHIT">  </span><span class="NAME">this.rgb2hex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1296</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">hex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'#'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">rgb</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="STRN">'red'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'green'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'blue'</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1297</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.color</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1298</span> 
<span class='line'>1299</span> </span><span class="WHIT">    </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">3</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1300</span> </span><span class="WHIT">      </span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">toString</span><span class="PUNC">(</span><span class="NUMB">16</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1301</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">val.length</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1302</span> </span><span class="WHIT">        </span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'0'</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1303</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1304</span> </span><span class="WHIT">      </span><span class="NAME">hex</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1305</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1306</span> 
<span class='line'>1307</span> </span><span class="WHIT">    </span><span class="NAME">color.hex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">hex</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1308</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1309</span> 
<span class='line'>1310</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1311</span>    * Convert the hexadecimal representation of color to RGB values (internally).
<span class='line'>1312</span>    * @private
<span class='line'>1313</span>    */</span><span class="WHIT">
<span class='line'>1314</span> </span><span class="WHIT">  </span><span class="NAME">this.hex2rgb</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1315</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">rgb</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="STRN">'red'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'green'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'blue'</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1316</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.color</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1317</span> </span><span class="WHIT">        </span><span class="NAME">hex</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color.hex</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1318</span> 
<span class='line'>1319</span> </span><span class="WHIT">    </span><span class="NAME">hex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">hex.substr</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1320</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">hex.length</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NUMB">6</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1321</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1322</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1323</span> 
<span class='line'>1324</span> </span><span class="WHIT">    </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">3</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1325</span> </span><span class="WHIT">      </span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">hex.substr</span><span class="PUNC">(</span><span class="NAME">i</span><span class="PUNC">*</span><span class="NUMB">2</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1326</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">parseInt</span><span class="PUNC">(</span><span class="NAME">val</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">16</span><span class="PUNC">)</span><span class="PUNC">/</span><span class="NUMB">255</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1327</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1328</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1329</span> 
<span class='line'>1330</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1331</span>    * Convert RGB to CIE Lab (internally).
<span class='line'>1332</span>    * @private
<span class='line'>1333</span>    */</span><span class="WHIT">
<span class='line'>1334</span> </span><span class="WHIT">  </span><span class="NAME">this.rgb2lab</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1335</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.color</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1336</span> </span><span class="WHIT">        </span><span class="NAME">lab</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.xyz2lab</span><span class="PUNC">(</span><span class="NAME">_self.rgb2xyz</span><span class="PUNC">(</span><span class="PUNC">[</span><span class="NAME">color.red</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color.green</span><span class="PUNC">,</span><span class="WHIT"> 
<span class='line'>1337</span>               </span><span class="NAME">color.blue</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1338</span> 
<span class='line'>1339</span> </span><span class="WHIT">    </span><span class="NAME">color.cie_l</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">lab</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1340</span> </span><span class="WHIT">    </span><span class="NAME">color.cie_a</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">lab</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1341</span> </span><span class="WHIT">    </span><span class="NAME">color.cie_b</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">lab</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1342</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1343</span> 
<span class='line'>1344</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1345</span>    * Convert CIE Lab values to RGB values (internally).
<span class='line'>1346</span>    * @private
<span class='line'>1347</span>    */</span><span class="WHIT">
<span class='line'>1348</span> </span><span class="WHIT">  </span><span class="NAME">this.lab2rgb</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1349</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.color</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1350</span> </span><span class="WHIT">        </span><span class="NAME">rgb</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.xyz2rgb</span><span class="PUNC">(</span><span class="NAME">_self.lab2xyz</span><span class="PUNC">(</span><span class="NAME">color.cie_l</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color.cie_a</span><span class="PUNC">,</span><span class="WHIT"> 
<span class='line'>1351</span>               </span><span class="NAME">color.cie_b</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1352</span> 
<span class='line'>1353</span> </span><span class="WHIT">    </span><span class="NAME">color.red</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1354</span> </span><span class="WHIT">    </span><span class="NAME">color.green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1355</span> </span><span class="WHIT">    </span><span class="NAME">color.blue</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1356</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1357</span> 
<span class='line'>1358</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1359</span>    * Convert XYZ color values into CIE Lab values.
<span class='line'>1360</span>    *
<span class='line'>1361</span>    * @private
<span class='line'>1362</span>    *
<span class='line'>1363</span>    * @param {Array} xyz The array holding the XYZ color values in order: 
<span class='line'>1364</span>    * &lt;var>X&lt;/var>, &lt;var>Y&lt;/var> and &lt;var>Z&lt;/var>.
<span class='line'>1365</span>    *
<span class='line'>1366</span>    * @returns {Array} An array holding the CIE Lab values in order: 
<span class='line'>1367</span>    * &lt;var>L&lt;/var>, &lt;var>a&lt;/var> and &lt;var>b&lt;/var>.
<span class='line'>1368</span>    */</span><span class="WHIT">
<span class='line'>1369</span> </span><span class="WHIT">  </span><span class="NAME">this.xyz2lab</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1370</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">cfg</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">config.lab</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1371</span> 
<span class='line'>1372</span> </span><span class="WHIT">        </span><span class="COMM">// 216/24389 or (6/29)^3 (both = 0.008856...)</span><span class="WHIT">
<span class='line'>1373</span> </span><span class="WHIT">        </span><span class="NAME">e</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">216</span><span class="PUNC">/</span><span class="NUMB">24389</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1374</span> 
<span class='line'>1375</span> </span><span class="WHIT">        </span><span class="COMM">// 903.296296...</span><span class="WHIT">
<span class='line'>1376</span> </span><span class="WHIT">        </span><span class="NAME">k</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">24389</span><span class="PUNC">/</span><span class="NUMB">27</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1377</span> 
<span class='line'>1378</span> </span><span class="WHIT">    </span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cfg.w_x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1379</span> </span><span class="WHIT">    </span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cfg.w_y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1380</span> </span><span class="WHIT">    </span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cfg.w_z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1381</span> 
<span class='line'>1382</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NAME">e</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1383</span> </span><span class="WHIT">      </span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathPow</span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NUMB">3</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1384</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1385</span> </span><span class="WHIT">      </span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">k</span><span class="PUNC">*</span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">16</span><span class="PUNC">)</span><span class="PUNC">/</span><span class="NUMB">116</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1386</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1387</span> 
<span class='line'>1388</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NAME">e</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1389</span> </span><span class="WHIT">      </span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathPow</span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NUMB">3</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1390</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1391</span> </span><span class="WHIT">      </span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">k</span><span class="PUNC">*</span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">16</span><span class="PUNC">)</span><span class="PUNC">/</span><span class="NUMB">116</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1392</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1393</span> 
<span class='line'>1394</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NAME">e</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1395</span> </span><span class="WHIT">      </span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathPow</span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NUMB">3</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1396</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1397</span> </span><span class="WHIT">      </span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">k</span><span class="PUNC">*</span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">16</span><span class="PUNC">)</span><span class="PUNC">/</span><span class="NUMB">116</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1398</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1399</span> 
<span class='line'>1400</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">cie_l</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">116</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT">  </span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NUMB">16</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1401</span> </span><span class="WHIT">        </span><span class="NAME">cie_a</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">500</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT">  </span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1402</span> </span><span class="WHIT">        </span><span class="NAME">cie_b</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">200</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT">  </span><span class="NAME">xyz</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1403</span> 
<span class='line'>1404</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="NAME">cie_l</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">cie_a</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">cie_b</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1405</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1406</span> 
<span class='line'>1407</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1408</span>    * Convert CIE Lab values to XYZ color values.
<span class='line'>1409</span>    *
<span class='line'>1410</span>    * @private
<span class='line'>1411</span>    *
<span class='line'>1412</span>    * @param {Number} cie_l The color lightness value.
<span class='line'>1413</span>    * @param {Number} cie_a The a* color opponent.
<span class='line'>1414</span>    * @param {Number} cie_b The b* color opponent.
<span class='line'>1415</span>    *
<span class='line'>1416</span>    * @returns {Array} An array holding the XYZ color values in order: 
<span class='line'>1417</span>    * &lt;var>X&lt;/var>, &lt;var>Y&lt;/var> and &lt;var>Z&lt;/var>.
<span class='line'>1418</span>    */</span><span class="WHIT">
<span class='line'>1419</span> </span><span class="WHIT">  </span><span class="NAME">this.lab2xyz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">cie_l</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">cie_a</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">cie_b</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1420</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">cie_l</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">16</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">116</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1421</span> </span><span class="WHIT">        </span><span class="NAME">x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">y</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">cie_a</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">500</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1422</span> </span><span class="WHIT">        </span><span class="NAME">z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">cie_b</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">200</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1423</span> 
<span class='line'>1424</span> </span><span class="WHIT">        </span><span class="COMM">// 0.206896551...</span><span class="WHIT">
<span class='line'>1425</span> </span><span class="WHIT">        </span><span class="NAME">e</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">6</span><span class="PUNC">/</span><span class="NUMB">29</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1426</span> 
<span class='line'>1427</span> </span><span class="WHIT">        </span><span class="COMM">// 7.787037...</span><span class="WHIT">
<span class='line'>1428</span> </span><span class="WHIT">        </span><span class="NAME">k</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NUMB">3</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">MathPow</span><span class="PUNC">(</span><span class="NUMB">29</span><span class="PUNC">/</span><span class="NUMB">6</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1429</span> 
<span class='line'>1430</span> </span><span class="WHIT">        </span><span class="COMM">// 0.137931...</span><span class="WHIT">
<span class='line'>1431</span> </span><span class="WHIT">        </span><span class="NAME">t</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">16</span><span class="PUNC">/</span><span class="NUMB">116</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1432</span> </span><span class="WHIT">        </span><span class="NAME">cfg</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">config.lab</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1433</span> 
<span class='line'>1434</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">x</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NAME">e</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1435</span> </span><span class="WHIT">      </span><span class="NAME">x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathPow</span><span class="PUNC">(</span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">3</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1436</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1437</span> </span><span class="WHIT">      </span><span class="NAME">x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">x</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">t</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">k</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1438</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1439</span> 
<span class='line'>1440</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">y</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NAME">e</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1441</span> </span><span class="WHIT">      </span><span class="NAME">y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathPow</span><span class="PUNC">(</span><span class="NAME">y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">3</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1442</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1443</span> </span><span class="WHIT">      </span><span class="NAME">y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">t</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">k</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1444</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1445</span> 
<span class='line'>1446</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">z</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NAME">e</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1447</span> </span><span class="WHIT">      </span><span class="NAME">z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathPow</span><span class="PUNC">(</span><span class="NAME">z</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">3</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1448</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1449</span> </span><span class="WHIT">      </span><span class="NAME">z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">z</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">t</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">k</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1450</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1451</span> 
<span class='line'>1452</span> </span><span class="WHIT">    </span><span class="NAME">x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cfg.w_x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1453</span> </span><span class="WHIT">    </span><span class="NAME">y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cfg.w_y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1454</span> </span><span class="WHIT">    </span><span class="NAME">z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cfg.w_z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1455</span> 
<span class='line'>1456</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">z</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1457</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1458</span> 
<span class='line'>1459</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1460</span>    * Convert XYZ color values to RGB.
<span class='line'>1461</span>    *
<span class='line'>1462</span>    * @private
<span class='line'>1463</span>    *
<span class='line'>1464</span>    * @param {Array} xyz The array holding the XYZ color values in order: 
<span class='line'>1465</span>    * &lt;var>X&lt;/var>, &lt;var>Y&lt;/var> and &lt;var>Z&lt;/var>
<span class='line'>1466</span>    *
<span class='line'>1467</span>    * @returns {Array} An array holding the RGB values in order: &lt;var>red&lt;/var>, 
<span class='line'>1468</span>    * &lt;var>green&lt;/var> and &lt;var>blue&lt;/var>.
<span class='line'>1469</span>    */</span><span class="WHIT">
<span class='line'>1470</span> </span><span class="WHIT">  </span><span class="NAME">this.xyz2rgb</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1471</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">rgb</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.calc_m1x3</span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">config.lab.m_i</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1472</span> 
<span class='line'>1473</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">0.0031308</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1474</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1.055</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">MathPow</span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">2.4</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NUMB">0.055</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1475</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1476</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">12.9232</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1477</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1478</span> 
<span class='line'>1479</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">0.0031308</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1480</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1.055</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">MathPow</span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">2.4</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NUMB">0.055</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1481</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1482</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">12.9232</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1483</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1484</span> 
<span class='line'>1485</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">0.0031308</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1486</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1.055</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">MathPow</span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">2.4</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NUMB">0.055</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1487</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1488</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">12.9232</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1489</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1490</span> 
<span class='line'>1491</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1492</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1493</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1494</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1495</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1496</span> 
<span class='line'>1497</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1498</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1499</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1500</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1501</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1502</span> 
<span class='line'>1503</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1504</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1505</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1506</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1507</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1508</span> 
<span class='line'>1509</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">rgb</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1510</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1511</span> 
<span class='line'>1512</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1513</span>    * Convert RGB values to XYZ color values.
<span class='line'>1514</span>    *
<span class='line'>1515</span>    * @private
<span class='line'>1516</span>    *
<span class='line'>1517</span>    * @param {Array} rgb The array holding the RGB values in order: 
<span class='line'>1518</span>    * &lt;var>red&lt;/var>, &lt;var>green&lt;/var> and &lt;var>blue&lt;/var>.
<span class='line'>1519</span>    *
<span class='line'>1520</span>    * @returns {Array} An array holding the XYZ color values in order: 
<span class='line'>1521</span>    * &lt;var>X&lt;/var>, &lt;var>Y&lt;/var> and &lt;var>Z&lt;/var>.
<span class='line'>1522</span>    */</span><span class="WHIT">
<span class='line'>1523</span> </span><span class="WHIT">  </span><span class="NAME">this.rgb2xyz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1524</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">0.04045</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1525</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathPow</span><span class="PUNC">(</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">0.055</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">1.055</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">2.4</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1526</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1527</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">12.9232</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1528</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1529</span> 
<span class='line'>1530</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">0.04045</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1531</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathPow</span><span class="PUNC">(</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">0.055</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">1.055</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">2.4</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1532</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1533</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">12.9232</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1534</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1535</span> 
<span class='line'>1536</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">0.04045</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1537</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathPow</span><span class="PUNC">(</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">0.055</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">1.055</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">2.4</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1538</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1539</span> </span><span class="WHIT">      </span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">12.9232</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1540</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1541</span> 
<span class='line'>1542</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">_self.calc_m1x3</span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">config.lab.m</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1543</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1544</span> 
<span class='line'>1545</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1546</span>    * Update the color space visualisation. This method updates the color chart 
<span class='line'>1547</span>    * and/or the color slider, and the associated controls, each as needed when 
<span class='line'>1548</span>    * a color key is updated.
<span class='line'>1549</span>    *
<span class='line'>1550</span>    * @private
<span class='line'>1551</span>    *
<span class='line'>1552</span>    * @param {String} updated_ckey The color key that was updated.
<span class='line'>1553</span>    * @param {Boolean} [force=false] Tells the function to force an update. The 
<span class='line'>1554</span>    * Canvas is not updated when the color mixer panel is not visible.
<span class='line'>1555</span>    *
<span class='line'>1556</span>    * @returns {Boolean} If the operation was successful, or false if not.
<span class='line'>1557</span>    */</span><span class="WHIT">
<span class='line'>1558</span> </span><span class="WHIT">  </span><span class="NAME">this.update_canvas</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">updated_ckey</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">force</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1559</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.panelSelector.tabId</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="STRN">'mixer'</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">force</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1560</span> </span><span class="WHIT">      </span><span class="NAME">_self.update_canvas_needed</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1561</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1562</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1563</span> 
<span class='line'>1564</span> </span><span class="WHIT">    </span><span class="NAME">_self.update_canvas_needed</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1565</span> 
<span class='line'>1566</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">slider</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.elems.slider.style</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1567</span> </span><span class="WHIT">        </span><span class="NAME">chart</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.elems.chartDot.style</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1568</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.color</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1569</span> </span><span class="WHIT">        </span><span class="NAME">ckey</span><span class="WHIT">    </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.ckey_active</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1570</span> </span><span class="WHIT">        </span><span class="NAME">group</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.ckey_active_group</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1571</span> </span><span class="WHIT">        </span><span class="NAME">adjoint</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.ckey_adjoint</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1572</span> </span><span class="WHIT">        </span><span class="NAME">width</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.chartWidth</span><span class="WHIT">  </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">resScale</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1573</span> </span><span class="WHIT">        </span><span class="NAME">height</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.chartHeight</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">resScale</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1574</span> </span><span class="WHIT">        </span><span class="NAME">mx</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">my</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">sy</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1575</span> 
<span class='line'>1576</span> </span><span class="WHIT">    </span><span class="COMM">// Update the slider which shows the position of the active ckey.</span><span class="WHIT">
<span class='line'>1577</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">updated_ckey</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">adjoint</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">updated_ckey</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">adjoint</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> 
<span class='line'>1578</span>         </span><span class="NAME">_self.ev_canvas_mode</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="STRN">'chart'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1579</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">group</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'lab'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1580</span> </span><span class="WHIT">        </span><span class="NAME">sy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">ckey</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">config.inputValues</span><span class="PUNC">[</span><span class="NAME">ckey</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">_self.abs_max</span><span class="PUNC">[</span><span class="NAME">ckey</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1581</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1582</span> </span><span class="WHIT">        </span><span class="NAME">sy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">ckey</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1583</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1584</span> 
<span class='line'>1585</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ckey</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="STRN">'hue'</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">group</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="STRN">'lab'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1586</span> </span><span class="WHIT">        </span><span class="NAME">sy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">sy</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1587</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1588</span> 
<span class='line'>1589</span> </span><span class="WHIT">      </span><span class="NAME">slider.top</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">sy</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'px'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1590</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1591</span> 
<span class='line'>1592</span> </span><span class="WHIT">    </span><span class="COMM">// Update the chart dot.</span><span class="WHIT">
<span class='line'>1593</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">updated_ckey</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">ckey</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1594</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">group</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'lab'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1595</span> </span><span class="WHIT">        </span><span class="NAME">mx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">adjoint</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">config.inputValues</span><span class="PUNC">[</span><span class="NAME">adjoint</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="WHIT"> 
<span class='line'>1596</span>           </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">_self.abs_max</span><span class="PUNC">[</span><span class="NAME">adjoint</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1597</span> </span><span class="WHIT">        </span><span class="NAME">my</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">adjoint</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">config.inputValues</span><span class="PUNC">[</span><span class="NAME">adjoint</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="WHIT"> 
<span class='line'>1598</span>           </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">_self.abs_max</span><span class="PUNC">[</span><span class="NAME">adjoint</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1599</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1600</span> </span><span class="WHIT">        </span><span class="NAME">mx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">adjoint</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1601</span> </span><span class="WHIT">        </span><span class="NAME">my</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">adjoint</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1602</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1603</span> 
<span class='line'>1604</span> </span><span class="WHIT">      </span><span class="NAME">chart.top</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">my</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'px'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1605</span> </span><span class="WHIT">      </span><span class="NAME">chart.left</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">mx</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT">  </span><span class="NAME">width</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'px'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1606</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1607</span> 
<span class='line'>1608</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">_self.draw_chart</span><span class="PUNC">(</span><span class="NAME">updated_ckey</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">_self.draw_slider</span><span class="PUNC">(</span><span class="NAME">updated_ckey</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1609</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1610</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1611</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1612</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1613</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1614</span> 
<span class='line'>1615</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1616</span>    * The mouse events handler for the Canvas controls. This method determines 
<span class='line'>1617</span>    * the region the user is using, and it also updates the color values for the 
<span class='line'>1618</span>    * active color key. The Canvas and all the inputs in the color mixer are 
<span class='line'>1619</span>    * updated as needed.
<span class='line'>1620</span>    *
<span class='line'>1621</span>    * @private
<span class='line'>1622</span>    * @param {Event} ev The DOM Event object.
<span class='line'>1623</span>    */</span><span class="WHIT">
<span class='line'>1624</span> </span><span class="WHIT">  </span><span class="NAME">this.ev_canvas</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1625</span> </span><span class="WHIT">    </span><span class="NAME">ev.preventDefault</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1626</span> 
<span class='line'>1627</span> </span><span class="WHIT">    </span><span class="COMM">// Initialize color picking only on mousedown.</span><span class="WHIT">
<span class='line'>1628</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev.type</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'mousedown'</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">_self.ev_canvas_mode</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1629</span> </span><span class="WHIT">      </span><span class="NAME">_self.ev_canvas_mode</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1630</span> </span><span class="WHIT">      </span><span class="NAME">doc.addEventListener</span><span class="PUNC">(</span><span class="STRN">'mouseup'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.ev_canvas</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1631</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1632</span> 
<span class='line'>1633</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">_self.ev_canvas_mode</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1634</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1635</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1636</span> 
<span class='line'>1637</span> </span><span class="WHIT">    </span><span class="COMM">// The mouseup event stops the effect of any further mousemove events.</span><span class="WHIT">
<span class='line'>1638</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev.type</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'mouseup'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1639</span> </span><span class="WHIT">      </span><span class="NAME">_self.ev_canvas_mode</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1640</span> </span><span class="WHIT">      </span><span class="NAME">doc.removeEventListener</span><span class="PUNC">(</span><span class="STRN">'mouseup'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.ev_canvas</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1641</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1642</span> 
<span class='line'>1643</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">elems</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.elems</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1644</span> 
<span class='line'>1645</span> </span><span class="WHIT">    </span><span class="COMM">// If the user is on top of the 'controls' element, determine the mouse coordinates and the 'mode' for this function: the user is either working with the slider, or he/she is working with the color chart itself.</span><span class="WHIT">
<span class='line'>1646</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev.target</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">elems.controls</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1647</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">mx</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">my</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1648</span> </span><span class="WHIT">          </span><span class="NAME">width</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.context2d.canvas.width</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1649</span> </span><span class="WHIT">          </span><span class="NAME">height</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.context2d.canvas.height</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1650</span> 
<span class='line'>1651</span> </span><span class="WHIT">      </span><span class="COMM">// Get the mouse position, relative to the event target.</span><span class="WHIT">
<span class='line'>1652</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev.layerX</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">ev.layerX</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> </span><span class="COMM">// Firefox</span><span class="WHIT">
<span class='line'>1653</span> </span><span class="WHIT">        </span><span class="NAME">mx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ev.layerX</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">resScale</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1654</span> </span><span class="WHIT">        </span><span class="NAME">my</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ev.layerY</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">resScale</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1655</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev.offsetX</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">ev.offsetX</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> </span><span class="COMM">// Opera</span><span class="WHIT">
<span class='line'>1656</span> </span><span class="WHIT">        </span><span class="NAME">mx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ev.offsetX</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">resScale</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1657</span> </span><span class="WHIT">        </span><span class="NAME">my</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ev.offsetY</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">resScale</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1658</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1659</span> 
<span class='line'>1660</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">mx</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">mx</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">_self.chartWidth</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1661</span> </span><span class="WHIT">        </span><span class="NAME">mode</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'chart'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1662</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">mx</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NAME">_self.sliderX</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">mx</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">width</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1663</span> </span><span class="WHIT">        </span><span class="NAME">mode</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'slider'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1664</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1665</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1666</span> </span><span class="WHIT">      </span><span class="COMM">// The user might have clicked on the chart dot, or on the slider graphic </span><span class="WHIT">
<span class='line'>1667</span> </span><span class="WHIT">      </span><span class="COMM">// itself.</span><span class="WHIT">
<span class='line'>1668</span> </span><span class="WHIT">      </span><span class="COMM">// If yes, then determine the mode based on this.</span><span class="WHIT">
<span class='line'>1669</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev.target</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">elems.chartDot</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1670</span> </span><span class="WHIT">        </span><span class="NAME">mode</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'chart'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1671</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">ev.target</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">elems.slider</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1672</span> </span><span class="WHIT">        </span><span class="NAME">mode</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'slider'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1673</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1674</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1675</span> 
<span class='line'>1676</span> </span><span class="WHIT">    </span><span class="COMM">// Update the ev_canvas_mode value to include the mode name, if it's simply </span><span class="WHIT">
<span class='line'>1677</span> </span><span class="WHIT">    </span><span class="COMM">// the true boolean.</span><span class="WHIT">
<span class='line'>1678</span> </span><span class="WHIT">    </span><span class="COMM">// This ensures that the continuous mouse movements do not go from one mode </span><span class="WHIT">
<span class='line'>1679</span> </span><span class="WHIT">    </span><span class="COMM">// to another when the user moves out from the slider to the chart (and </span><span class="WHIT">
<span class='line'>1680</span> </span><span class="WHIT">    </span><span class="COMM">// vice-versa).</span><span class="WHIT">
<span class='line'>1681</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">mode</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">_self.ev_canvas_mode</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1682</span> </span><span class="WHIT">      </span><span class="NAME">_self.ev_canvas_mode</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">mode</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1683</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1684</span> 
<span class='line'>1685</span> </span><span class="WHIT">    </span><span class="COMM">// Do not continue if the mode wasn't determined (the mouse is not on the </span><span class="WHIT">
<span class='line'>1686</span> </span><span class="WHIT">    </span><span class="COMM">// slider, nor on the chart).</span><span class="WHIT">
<span class='line'>1687</span> </span><span class="WHIT">    </span><span class="COMM">// Also don't continue if the mouse is not in the same place (different </span><span class="WHIT">
<span class='line'>1688</span> </span><span class="WHIT">    </span><span class="COMM">// mode).</span><span class="WHIT">
<span class='line'>1689</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">mode</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">_self.ev_canvas_mode</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">mode</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">ev.target</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">elems.controls</span><span class="PUNC">)</span><span class="WHIT"> 
<span class='line'>1690</span>     </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1691</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1692</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1693</span> 
<span class='line'>1694</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.color</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1695</span> </span><span class="WHIT">        </span><span class="NAME">val_x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">mx</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">_self.chartWidth</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1696</span> </span><span class="WHIT">        </span><span class="NAME">val_y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">my</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1697</span> 
<span class='line'>1698</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">mode</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'slider'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1699</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_active</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'hue'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1700</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">_self.ckey_active</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val_y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1701</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_active_group</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'lab'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1702</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">_self.ckey_active</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.abs_max</span><span class="PUNC">[</span><span class="NAME">_self.ckey_active</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">val_y</span><span class="WHIT"> 
<span class='line'>1703</span>           </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">config.inputValues</span><span class="PUNC">[</span><span class="NAME">_self.ckey_active</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1704</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1705</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">_self.ckey_active</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">val_y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1706</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1707</span> 
<span class='line'>1708</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">_self.update_color</span><span class="PUNC">(</span><span class="NAME">_self.ckey_active</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1709</span> 
<span class='line'>1710</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">mode</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'chart'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1711</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">val_x</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1712</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1713</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1714</span> 
<span class='line'>1715</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_active_group</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'lab'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1716</span> </span><span class="WHIT">        </span><span class="NAME">val_x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.abs_max</span><span class="PUNC">[</span><span class="NAME">_self.ckey_adjoint</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">val_x</span><span class="WHIT"> 
<span class='line'>1717</span>           </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">config.inputValues</span><span class="PUNC">[</span><span class="NAME">_self.ckey_adjoint</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1718</span> </span><span class="WHIT">        </span><span class="NAME">val_y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.abs_max</span><span class="PUNC">[</span><span class="NAME">_self.ckey_adjoint</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">val_y</span><span class="WHIT"> 
<span class='line'>1719</span>           </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">config.inputValues</span><span class="PUNC">[</span><span class="NAME">_self.ckey_adjoint</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1720</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1721</span> </span><span class="WHIT">        </span><span class="NAME">val_y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">val_y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1722</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1723</span> 
<span class='line'>1724</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">_self.ckey_adjoint</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val_x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1725</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">_self.ckey_adjoint</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">val_y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1726</span> 
<span class='line'>1727</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">_self.update_color</span><span class="PUNC">(</span><span class="NAME">_self.ckey_active_group</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1728</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1729</span> 
<span class='line'>1730</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1731</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1732</span> 
<span class='line'>1733</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1734</span>    * Draw the color space visualisation.
<span class='line'>1735</span>    *
<span class='line'>1736</span>    * @private
<span class='line'>1737</span>    *
<span class='line'>1738</span>    * @param {String} updated_ckey The color key that was updated. This is used 
<span class='line'>1739</span>    * to determine if the Canvas needs to be updated or not.
<span class='line'>1740</span>    */</span><span class="WHIT">
<span class='line'>1741</span> </span><span class="WHIT">  </span><span class="NAME">this.draw_chart</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">updated_ckey</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1742</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">context</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.context2d</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1743</span> </span><span class="WHIT">        </span><span class="NAME">gradient</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">opacity</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1744</span> 
<span class='line'>1745</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">updated_ckey</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">_self.ckey_adjoint</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">updated_ckey</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> 
<span class='line'>1746</span>         </span><span class="NAME">_self.ckey_adjoint</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ev_canvas_mode</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'chart'</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> 
<span class='line'>1747</span>           </span><span class="NAME">updated_ckey</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">_self.ckey_active_group</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1748</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1749</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1750</span> 
<span class='line'>1751</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">w</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.chartWidth</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1752</span> </span><span class="WHIT">        </span><span class="NAME">h</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.chartHeight</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1753</span> 
<span class='line'>1754</span> </span><span class="WHIT">    </span><span class="NAME">context.clearRect</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1755</span> 
<span class='line'>1756</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_active</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'sat'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1757</span> </span><span class="WHIT">      </span><span class="COMM">// In saturation mode the user has the slider which allows him/her to </span><span class="WHIT">
<span class='line'>1758</span> </span><span class="WHIT">      </span><span class="COMM">// change the saturation (hSv) of the current color.</span><span class="WHIT">
<span class='line'>1759</span> </span><span class="WHIT">      </span><span class="COMM">// The chart shows the hue spectrum on the X axis, while the Y axis gives </span><span class="WHIT">
<span class='line'>1760</span> </span><span class="WHIT">      </span><span class="COMM">// the Value (hsV).</span><span class="WHIT">
<span class='line'>1761</span> 
<span class='line'>1762</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.color.sat</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1763</span> </span><span class="WHIT">        </span><span class="COMM">// Draw the hue spectrum gradient on the X axis.</span><span class="WHIT">
<span class='line'>1764</span> </span><span class="WHIT">        </span><span class="NAME">gradient</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">context.createLinearGradient</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1765</span> </span><span class="WHIT">        </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NUMB">6</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1766</span> </span><span class="WHIT">          </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'rgb('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">hueSpectrum</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT">
<span class='line'>1767</span> </span><span class="WHIT">              </span><span class="NAME">hueSpectrum</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT">
<span class='line'>1768</span> </span><span class="WHIT">              </span><span class="NAME">hueSpectrum</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1769</span> </span><span class="WHIT">          </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NUMB">6</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1770</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1771</span> </span><span class="WHIT">        </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gradient</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1772</span> </span><span class="WHIT">        </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1773</span> 
<span class='line'>1774</span> </span><span class="WHIT">        </span><span class="COMM">// Draw the gradient which darkens the hue spectrum on the Y axis.</span><span class="WHIT">
<span class='line'>1775</span> </span><span class="WHIT">        </span><span class="NAME">gradient</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">context.createLinearGradient</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1776</span> </span><span class="WHIT">        </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgba(0, 0, 0, 0)'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1777</span> </span><span class="WHIT">        </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgba(0, 0, 0, 1)'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1778</span> </span><span class="WHIT">        </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gradient</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1779</span> </span><span class="WHIT">        </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1780</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1781</span> 
<span class='line'>1782</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.color.sat</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1783</span> </span><span class="WHIT">        </span><span class="COMM">// Draw the white to black gradient. This is used for creating the </span><span class="WHIT">
<span class='line'>1784</span> </span><span class="WHIT">        </span><span class="COMM">// saturation effect. Lowering the saturation value makes the gradient </span><span class="WHIT">
<span class='line'>1785</span> </span><span class="WHIT">        </span><span class="COMM">// more visible, hence the hue colors desaturate.</span><span class="WHIT">
<span class='line'>1786</span> </span><span class="WHIT">        </span><span class="NAME">opacity</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">_self.color.sat</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1787</span> </span><span class="WHIT">        </span><span class="NAME">gradient</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">context.createLinearGradient</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1788</span> </span><span class="WHIT">        </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgba(255, 255, 255, '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">opacity</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1789</span> </span><span class="WHIT">        </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgba(  0,   0,   0, '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">opacity</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1790</span> </span><span class="WHIT">        </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gradient</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1791</span> </span><span class="WHIT">        </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1792</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1793</span> 
<span class='line'>1794</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_active</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'val'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1795</span> </span><span class="WHIT">      </span><span class="COMM">// In value mode the user has the slider which allows him/her to change the value (hsV) of the current color.</span><span class="WHIT">
<span class='line'>1796</span> </span><span class="WHIT">      </span><span class="COMM">// The chart shows the hue spectrum on the X axis, while the Y axis gives the saturation (hSv).</span><span class="WHIT">
<span class='line'>1797</span> 
<span class='line'>1798</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.color.val</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1799</span> </span><span class="WHIT">        </span><span class="COMM">// Draw the hue spectrum gradient on the X axis.</span><span class="WHIT">
<span class='line'>1800</span> </span><span class="WHIT">        </span><span class="NAME">gradient</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">context.createLinearGradient</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1801</span> </span><span class="WHIT">        </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NUMB">6</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1802</span> </span><span class="WHIT">          </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'rgb('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">hueSpectrum</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT">
<span class='line'>1803</span> </span><span class="WHIT">            </span><span class="NAME">hueSpectrum</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT">
<span class='line'>1804</span> </span><span class="WHIT">            </span><span class="NAME">hueSpectrum</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1805</span> </span><span class="WHIT">          </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NUMB">6</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1806</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1807</span> </span><span class="WHIT">        </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gradient</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1808</span> </span><span class="WHIT">        </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1809</span> 
<span class='line'>1810</span> </span><span class="WHIT">        </span><span class="COMM">// Draw the gradient which lightens the hue spectrum on the Y axis.</span><span class="WHIT">
<span class='line'>1811</span> </span><span class="WHIT">        </span><span class="NAME">gradient</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">context.createLinearGradient</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1812</span> </span><span class="WHIT">        </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgba(255, 255, 255, 0)'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1813</span> </span><span class="WHIT">        </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgba(255, 255, 255, 1)'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1814</span> </span><span class="WHIT">        </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gradient</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1815</span> </span><span class="WHIT">        </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1816</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1817</span> 
<span class='line'>1818</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.color.val</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1819</span> </span><span class="WHIT">        </span><span class="COMM">// Draw a solid black color on top. This is used for darkening the hue colors gradient when the user reduces the Value (hsV).</span><span class="WHIT">
<span class='line'>1820</span> </span><span class="WHIT">        </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'rgba(0, 0, 0, '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">_self.color.val</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="STRN">')'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1821</span> </span><span class="WHIT">        </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1822</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1823</span> 
<span class='line'>1824</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_active</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'hue'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1825</span> </span><span class="WHIT">      </span><span class="COMM">// In hue mode the user has the slider which allows him/her to change the hue (Hsv) of the current color.</span><span class="WHIT">
<span class='line'>1826</span> </span><span class="WHIT">      </span><span class="COMM">// The chart shows the current color in the background. The X axis gives the saturation (hSv), and the Y axis gives the value (hsV).</span><span class="WHIT">
<span class='line'>1827</span> 
<span class='line'>1828</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.color.sat</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">_self.color.val</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1829</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="NAME">_self.color.red</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.color.green</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.color.blue</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1830</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1831</span> </span><span class="WHIT">        </span><span class="COMM">// Determine the RGB values for the current color which has the same hue, but maximum saturation and value (hSV).</span><span class="WHIT">
<span class='line'>1832</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.hsv2rgb</span><span class="PUNC">(</span><span class="KEYW">true</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="NAME">_self.color.hue</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1833</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1834</span> </span><span class="WHIT">      </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">3</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1835</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1836</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1837</span> 
<span class='line'>1838</span> </span><span class="WHIT">      </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'rgb('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1839</span> </span><span class="WHIT">      </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1840</span> 
<span class='line'>1841</span> </span><span class="WHIT">      </span><span class="COMM">// Draw the white gradient for saturation (X axis, hSv).</span><span class="WHIT">
<span class='line'>1842</span> </span><span class="WHIT">      </span><span class="NAME">gradient</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">context.createLinearGradient</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1843</span> </span><span class="WHIT">      </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgba(255, 255, 255, 1)'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1844</span> </span><span class="WHIT">      </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgba(255, 255, 255, 0)'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1845</span> </span><span class="WHIT">      </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gradient</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1846</span> </span><span class="WHIT">      </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1847</span> 
<span class='line'>1848</span> </span><span class="WHIT">      </span><span class="COMM">// Draw the black gradient for value (Y axis, hsV).</span><span class="WHIT">
<span class='line'>1849</span> </span><span class="WHIT">      </span><span class="NAME">gradient</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">context.createLinearGradient</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1850</span> </span><span class="WHIT">      </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgba(0, 0, 0, 0)'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1851</span> </span><span class="WHIT">      </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgba(0, 0, 0, 1)'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1852</span> </span><span class="WHIT">      </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gradient</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1853</span> </span><span class="WHIT">      </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1854</span> 
<span class='line'>1855</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_active_group</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'rgb'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1856</span> </span><span class="WHIT">      </span><span class="COMM">// In any red/green/blue mode the background color becomes the one of the ckey_active. Say, for ckey_active=red the background color would be the current red value (green and blue are both set to 0).</span><span class="WHIT">
<span class='line'>1857</span> </span><span class="WHIT">      </span><span class="COMM">// On the X/Y axes the other two colors are shown. E.g. for red the X axis gives the green gradient, and the Y axis gives the blue gradient. The two gradients are drawn on top of the red background using a global composite operation (lighter) - to create the color addition effect.</span><span class="WHIT">
<span class='line'>1858</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">color2</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color3</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1859</span> 
<span class='line'>1860</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="STRN">'red'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'green'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'blue'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1861</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">_self.ckey_active</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">_self.color</span><span class="PUNC">[</span><span class="NAME">_self.ckey_active</span><span class="PUNC">]</span><span class="WHIT"> 
<span class='line'>1862</span>           </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1863</span> 
<span class='line'>1864</span> </span><span class="WHIT">      </span><span class="NAME">color2</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="STRN">'red'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'green'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'blue'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1865</span> </span><span class="WHIT">      </span><span class="NAME">color2</span><span class="PUNC">[</span><span class="NAME">_self.ckey_adjoint</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1866</span> 
<span class='line'>1867</span> </span><span class="WHIT">      </span><span class="NAME">color3</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="STRN">'red'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'green'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'blue'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1868</span> </span><span class="WHIT">      </span><span class="NAME">color3</span><span class="PUNC">[</span><span class="NAME">_self.ckey_adjoint</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1869</span> 
<span class='line'>1870</span> </span><span class="WHIT">      </span><span class="COMM">// The background.</span><span class="WHIT">
<span class='line'>1871</span> </span><span class="WHIT">      </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'rgb('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color.red</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color.green</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color.blue</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1872</span> </span><span class="WHIT">      </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1873</span> 
<span class='line'>1874</span> </span><span class="WHIT">      </span><span class="COMM">// This doesn't work in Opera 9.2 and older versions.</span><span class="WHIT">
<span class='line'>1875</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">op</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">context.globalCompositeOperation</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1876</span> </span><span class="WHIT">      </span><span class="NAME">context.globalCompositeOperation</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'lighter'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1877</span> 
<span class='line'>1878</span> </span><span class="WHIT">      </span><span class="COMM">// The Y axis gradient.</span><span class="WHIT">
<span class='line'>1879</span> </span><span class="WHIT">      </span><span class="NAME">gradient</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">context.createLinearGradient</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1880</span> </span><span class="WHIT">      </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgba('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color2.red</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color2.green</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color2.blue</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', 1)'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1881</span> </span><span class="WHIT">      </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgba('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color2.red</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color2.green</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color2.blue</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', 0)'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1882</span> </span><span class="WHIT">      </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gradient</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1883</span> </span><span class="WHIT">      </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1884</span> 
<span class='line'>1885</span> </span><span class="WHIT">      </span><span class="COMM">// The X axis gradient.</span><span class="WHIT">
<span class='line'>1886</span> </span><span class="WHIT">      </span><span class="NAME">gradient</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">context.createLinearGradient</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1887</span> </span><span class="WHIT">      </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgba('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color3.red</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color3.green</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color3.blue</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', 0)'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1888</span> </span><span class="WHIT">      </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgba('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color3.red</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color3.green</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color3.blue</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', 1)'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1889</span> </span><span class="WHIT">      </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gradient</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1890</span> </span><span class="WHIT">      </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1891</span> 
<span class='line'>1892</span> </span><span class="WHIT">      </span><span class="NAME">context.globalCompositeOperation</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">op</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1893</span> 
<span class='line'>1894</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_active_group</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'lab'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1895</span> </span><span class="WHIT">      </span><span class="COMM">// The chart plots the CIE Lab colors. The non-active color keys give the X/Y axes. For example, if cie_l (lightness) is active, then the cie_a values give the X axis, and the Y axis is given by the values of cie_b.</span><span class="WHIT">
<span class='line'>1896</span> </span><span class="WHIT">      </span><span class="COMM">// The chart is drawn manually, pixel-by-pixel, due to the special way CIE Lab works. This is very slow in today's UAs.</span><span class="WHIT">
<span class='line'>1897</span> 
<span class='line'>1898</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">imgd</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1899</span> 
<span class='line'>1900</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">context.createImageData</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1901</span> </span><span class="WHIT">        </span><span class="NAME">imgd</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">context.createImageData</span><span class="PUNC">(</span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1902</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">context.getImageData</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1903</span> </span><span class="WHIT">        </span><span class="NAME">imgd</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">context.getImageData</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1904</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1905</span> </span><span class="WHIT">        </span><span class="NAME">imgd</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1906</span> </span><span class="WHIT">          </span><span class="STRN">'width'</span><span class="WHIT">  </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1907</span> </span><span class="WHIT">          </span><span class="STRN">'height'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1908</span> </span><span class="WHIT">          </span><span class="STRN">'data'</span><span class="WHIT">   </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Array</span><span class="PUNC">(</span><span class="NAME">w</span><span class="PUNC">*</span><span class="NAME">h</span><span class="PUNC">*</span><span class="NUMB">4</span><span class="PUNC">)</span><span class="WHIT">
<span class='line'>1909</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1910</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1911</span> 
<span class='line'>1912</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">pix</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">imgd.data</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1913</span> </span><span class="WHIT">          </span><span class="NAME">n</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">imgd.data.length</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1914</span> </span><span class="WHIT">          </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">p</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">inc_x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">inc_y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">xyz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">rgb</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">cie_x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">cie_y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1915</span> 
<span class='line'>1916</span> </span><span class="WHIT">      </span><span class="NAME">cie_x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.ckey_adjoint</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1917</span> </span><span class="WHIT">      </span><span class="NAME">cie_y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.ckey_adjoint</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1918</span> 
<span class='line'>1919</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1920</span> </span><span class="WHIT">        </span><span class="STRN">'cie_l'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">_self.color.cie_l</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1921</span> </span><span class="WHIT">        </span><span class="STRN">'cie_a'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">_self.color.cie_a</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1922</span> </span><span class="WHIT">        </span><span class="STRN">'cie_b'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">_self.color.cie_b</span><span class="WHIT">
<span class='line'>1923</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1924</span> 
<span class='line'>1925</span> </span><span class="WHIT">      </span><span class="NAME">inc_x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.abs_max</span><span class="PUNC">[</span><span class="NAME">cie_x</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1926</span> </span><span class="WHIT">      </span><span class="NAME">inc_y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.abs_max</span><span class="PUNC">[</span><span class="NAME">cie_y</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1927</span> 
<span class='line'>1928</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">cie_x</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">config.inputValues</span><span class="PUNC">[</span><span class="NAME">cie_x</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1929</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">cie_y</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">config.inputValues</span><span class="PUNC">[</span><span class="NAME">cie_y</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1930</span> 
<span class='line'>1931</span> </span><span class="WHIT">      </span><span class="KEYW">while</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">n</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1932</span> </span><span class="WHIT">        </span><span class="NAME">xyz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.lab2xyz</span><span class="PUNC">(</span><span class="NAME">color.cie_l</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color.cie_a</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color.cie_b</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1933</span> </span><span class="WHIT">        </span><span class="NAME">rgb</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.xyz2rgb</span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1934</span> 
<span class='line'>1935</span> </span><span class="WHIT">        </span><span class="NAME">pix</span><span class="PUNC">[</span><span class="PUNC">++</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1936</span> </span><span class="WHIT">        </span><span class="NAME">pix</span><span class="PUNC">[</span><span class="PUNC">++</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1937</span> </span><span class="WHIT">        </span><span class="NAME">pix</span><span class="PUNC">[</span><span class="PUNC">++</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1938</span> </span><span class="WHIT">        </span><span class="NAME">pix</span><span class="PUNC">[</span><span class="PUNC">++</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1939</span> 
<span class='line'>1940</span> </span><span class="WHIT">        </span><span class="NAME">p</span><span class="PUNC">++</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1941</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">cie_x</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">inc_x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1942</span> 
<span class='line'>1943</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">(</span><span class="NAME">p</span><span class="WHIT"> </span><span class="PUNC">%</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1944</span> </span><span class="WHIT">          </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">cie_x</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">config.inputValues</span><span class="PUNC">[</span><span class="NAME">cie_x</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1945</span> </span><span class="WHIT">          </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">cie_y</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">inc_y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1946</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1947</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1948</span> 
<span class='line'>1949</span> </span><span class="WHIT">      </span><span class="NAME">context.putImageData</span><span class="PUNC">(</span><span class="NAME">imgd</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1950</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1951</span> 
<span class='line'>1952</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1953</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1954</span> 
<span class='line'>1955</span> </span><span class="WHIT">  </span><span class="COMM">/**
<span class='line'>1956</span>    * Draw the color slider on the Canvas element.
<span class='line'>1957</span>    *
<span class='line'>1958</span>    * @private
<span class='line'>1959</span>    *
<span class='line'>1960</span>    * @param {String} updated_ckey The color key that was updated. This is used 
<span class='line'>1961</span>    * to determine if the Canvas needs to be updated or not.
<span class='line'>1962</span>    */</span><span class="WHIT">
<span class='line'>1963</span> </span><span class="WHIT">  </span><span class="NAME">this.draw_slider</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">updated_ckey</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1964</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_active</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">updated_ckey</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1965</span> </span><span class="WHIT">      </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1966</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1967</span> 
<span class='line'>1968</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">context</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.context2d</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1969</span> </span><span class="WHIT">        </span><span class="NAME">slider_w</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.sliderWidth</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1970</span> </span><span class="WHIT">        </span><span class="NAME">slider_h</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.sliderHeight</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1971</span> </span><span class="WHIT">        </span><span class="NAME">slider_x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.sliderX</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1972</span> </span><span class="WHIT">        </span><span class="NAME">slider_y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>1973</span> </span><span class="WHIT">        </span><span class="NAME">gradient</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1974</span> 
<span class='line'>1975</span> </span><span class="WHIT">    </span><span class="NAME">gradient</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">context.createLinearGradient</span><span class="PUNC">(</span><span class="NAME">slider_x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1976</span> 
<span class='line'>1977</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_active</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'hue'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1978</span> </span><span class="WHIT">      </span><span class="COMM">// Draw the hue spectrum gradient.</span><span class="WHIT">
<span class='line'>1979</span> </span><span class="WHIT">      </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NUMB">6</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1980</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'rgb('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">hueSpectrum</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT">
<span class='line'>1981</span> </span><span class="WHIT">            </span><span class="NAME">hueSpectrum</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT">
<span class='line'>1982</span> </span><span class="WHIT">            </span><span class="NAME">hueSpectrum</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1983</span> </span><span class="WHIT">        </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NUMB">6</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1984</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1985</span> </span><span class="WHIT">      </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gradient</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1986</span> </span><span class="WHIT">      </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NAME">slider_x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1987</span> 
<span class='line'>1988</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.color.sat</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1989</span> </span><span class="WHIT">        </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'rgba(255, 255, 255, '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT">
<span class='line'>1990</span> </span><span class="WHIT">          </span><span class="PUNC">(</span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">_self.color.sat</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1991</span> </span><span class="WHIT">        </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NAME">slider_x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1992</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1993</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.color.val</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1994</span> </span><span class="WHIT">        </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'rgba(0, 0, 0, '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">_self.color.val</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1995</span> </span><span class="WHIT">        </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NAME">slider_x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>1996</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>1997</span> 
<span class='line'>1998</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_active</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'sat'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>1999</span> </span><span class="WHIT">      </span><span class="COMM">// Draw the saturation gradient for the slider.</span><span class="WHIT">
<span class='line'>2000</span> </span><span class="WHIT">      </span><span class="COMM">// The start color is the current color with maximum saturation. The bottom gradient color is the same "color" without saturation.</span><span class="WHIT">
<span class='line'>2001</span> </span><span class="WHIT">      </span><span class="COMM">// The slider allows you to desaturate the current color.</span><span class="WHIT">
<span class='line'>2002</span> 
<span class='line'>2003</span> </span><span class="WHIT">      </span><span class="COMM">// Determine the RGB values for the current color which has the same hue and value (HsV), but maximum saturation (hSv).</span><span class="WHIT">
<span class='line'>2004</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.color.sat</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2005</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="NAME">_self.color.red</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.color.green</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.color.blue</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2006</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2007</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.hsv2rgb</span><span class="PUNC">(</span><span class="KEYW">true</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="NAME">_self.color.hue</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.color.val</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2008</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>2009</span> 
<span class='line'>2010</span> </span><span class="WHIT">      </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">3</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2011</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2012</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>2013</span> 
<span class='line'>2014</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">gray</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">_self.color.val</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2015</span> </span><span class="WHIT">      </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgb('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2016</span> </span><span class="WHIT">      </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgb('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">gray</span><span class="WHIT">     </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">gray</span><span class="WHIT">     </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">gray</span><span class="WHIT">     </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2017</span> </span><span class="WHIT">      </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gradient</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2018</span> </span><span class="WHIT">      </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NAME">slider_x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2019</span> 
<span class='line'>2020</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_active</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'val'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2021</span> </span><span class="WHIT">      </span><span class="COMM">// Determine the RGB values for the current color which has the same hue and saturation, but maximum value (hsV).</span><span class="WHIT">
<span class='line'>2022</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.color.val</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2023</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="NAME">_self.color.red</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.color.green</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.color.blue</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2024</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2025</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.hsv2rgb</span><span class="PUNC">(</span><span class="KEYW">true</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="NAME">_self.color.hue</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">_self.color.sat</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2026</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>2027</span> 
<span class='line'>2028</span> </span><span class="WHIT">      </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">3</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2029</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2030</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>2031</span> 
<span class='line'>2032</span> </span><span class="WHIT">      </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgb('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">', '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2033</span> </span><span class="WHIT">      </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgb(0, 0, 0)'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2034</span> </span><span class="WHIT">      </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gradient</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2035</span> </span><span class="WHIT">      </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NAME">slider_x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2036</span> 
<span class='line'>2037</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_active_group</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'rgb'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2038</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">red</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">_self.color.red</span><span class="WHIT">   </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>2039</span> </span><span class="WHIT">          </span><span class="NAME">green</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">_self.color.green</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>2040</span> </span><span class="WHIT">          </span><span class="NAME">blue</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">_self.color.blue</span><span class="WHIT">  </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2041</span> 
<span class='line'>2042</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2043</span> </span><span class="WHIT">        </span><span class="STRN">'red'</span><span class="WHIT">   </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">red</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>2044</span> </span><span class="WHIT">        </span><span class="STRN">'green'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">green</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>2045</span> </span><span class="WHIT">        </span><span class="STRN">'blue'</span><span class="WHIT">  </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">blue</span><span class="WHIT">
<span class='line'>2046</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2047</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">_self.ckey_active</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2048</span> 
<span class='line'>2049</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">color2</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2050</span> </span><span class="WHIT">        </span><span class="STRN">'red'</span><span class="WHIT">   </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">red</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>2051</span> </span><span class="WHIT">        </span><span class="STRN">'green'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">green</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>2052</span> </span><span class="WHIT">        </span><span class="STRN">'blue'</span><span class="WHIT">  </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">blue</span><span class="WHIT">
<span class='line'>2053</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2054</span> </span><span class="WHIT">      </span><span class="NAME">color2</span><span class="PUNC">[</span><span class="NAME">_self.ckey_active</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2055</span> 
<span class='line'>2056</span> </span><span class="WHIT">      </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgb('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color.red</span><span class="WHIT">  </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color.green</span><span class="WHIT">  </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color.blue</span><span class="WHIT">  </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2057</span> </span><span class="WHIT">      </span><span class="NAME">gradient.addColorStop</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'rgb('</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color2.red</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color2.green</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">','</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">color2.blue</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">')'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2058</span> </span><span class="WHIT">      </span><span class="NAME">context.fillStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gradient</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2059</span> </span><span class="WHIT">      </span><span class="NAME">context.fillRect</span><span class="PUNC">(</span><span class="NAME">slider_x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2060</span> 
<span class='line'>2061</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">_self.ckey_active_group</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'lab'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2062</span> </span><span class="WHIT">      </span><span class="COMM">// The slider shows a gradient with the current color key going from the minimum to the maximum value. The gradient is calculated pixel by pixel, due to the special way CIE Lab is defined.</span><span class="WHIT">
<span class='line'>2063</span> 
<span class='line'>2064</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">imgd</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2065</span> 
<span class='line'>2066</span> </span><span class="WHIT">      </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">context.createImageData</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2067</span> </span><span class="WHIT">        </span><span class="NAME">imgd</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">context.createImageData</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2068</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">context.getImageData</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2069</span> </span><span class="WHIT">        </span><span class="NAME">imgd</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">context.getImageData</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2070</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2071</span> </span><span class="WHIT">        </span><span class="NAME">imgd</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2072</span> </span><span class="WHIT">          </span><span class="STRN">'width'</span><span class="WHIT">  </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>2073</span> </span><span class="WHIT">          </span><span class="STRN">'height'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">slider_h</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>2074</span> </span><span class="WHIT">          </span><span class="STRN">'data'</span><span class="WHIT">   </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Array</span><span class="PUNC">(</span><span class="NAME">slider_h</span><span class="PUNC">*</span><span class="NUMB">4</span><span class="PUNC">)</span><span class="WHIT">
<span class='line'>2075</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2076</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>2077</span> 
<span class='line'>2078</span> </span><span class="WHIT">      </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">pix</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">imgd.data</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>2079</span> </span><span class="WHIT">          </span><span class="NAME">n</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">imgd.data.length</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>2080</span> </span><span class="WHIT">          </span><span class="NAME">ckey</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.ckey_active</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>2081</span> </span><span class="WHIT">          </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">inc</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">xyz</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">rgb</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2082</span> 
<span class='line'>2083</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2084</span> </span><span class="WHIT">        </span><span class="STRN">'cie_l'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">_self.color.cie_l</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>2085</span> </span><span class="WHIT">        </span><span class="STRN">'cie_a'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">_self.color.cie_a</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>2086</span> </span><span class="WHIT">        </span><span class="STRN">'cie_b'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">_self.color.cie_b</span><span class="WHIT">
<span class='line'>2087</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2088</span> 
<span class='line'>2089</span> </span><span class="WHIT">      </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">ckey</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">config.inputValues</span><span class="PUNC">[</span><span class="NAME">ckey</span><span class="PUNC">]</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2090</span> </span><span class="WHIT">      </span><span class="NAME">inc</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.abs_max</span><span class="PUNC">[</span><span class="NAME">ckey</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">slider_h</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2091</span> 
<span class='line'>2092</span> </span><span class="WHIT">      </span><span class="KEYW">while</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">n</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2093</span> </span><span class="WHIT">        </span><span class="NAME">xyz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.lab2xyz</span><span class="PUNC">(</span><span class="NAME">color.cie_l</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color.cie_a</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">color.cie_b</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2094</span> </span><span class="WHIT">        </span><span class="NAME">rgb</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">_self.xyz2rgb</span><span class="PUNC">(</span><span class="NAME">xyz</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2095</span> </span><span class="WHIT">        </span><span class="NAME">pix</span><span class="PUNC">[</span><span class="PUNC">++</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2096</span> </span><span class="WHIT">        </span><span class="NAME">pix</span><span class="PUNC">[</span><span class="PUNC">++</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2097</span> </span><span class="WHIT">        </span><span class="NAME">pix</span><span class="PUNC">[</span><span class="PUNC">++</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">MathRound</span><span class="PUNC">(</span><span class="NAME">rgb</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">*</span><span class="NUMB">255</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2098</span> </span><span class="WHIT">        </span><span class="NAME">pix</span><span class="PUNC">[</span><span class="PUNC">++</span><span class="NAME">i</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2099</span> 
<span class='line'>2100</span> </span><span class="WHIT">        </span><span class="NAME">color</span><span class="PUNC">[</span><span class="NAME">ckey</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">inc</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2101</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>2102</span> 
<span class='line'>2103</span> </span><span class="WHIT">      </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">slider_w</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>2104</span> </span><span class="WHIT">        </span><span class="NAME">context.putImageData</span><span class="PUNC">(</span><span class="NAME">imgd</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_x</span><span class="PUNC">+</span><span class="NAME">i</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_y</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2105</span> </span><span class="WHIT">      </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>2106</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>2107</span> 
<span class='line'>2108</span> </span><span class="WHIT">    </span><span class="NAME">context.strokeStyle</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'#6d6d6d'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2109</span> </span><span class="WHIT">    </span><span class="NAME">context.strokeRect</span><span class="PUNC">(</span><span class="NAME">slider_x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">slider_h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2110</span> 
<span class='line'>2111</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2112</span> </span><span class="WHIT">  </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2113</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>2114</span> 
<span class='line'>2115</span> </span><span class="COMM">// vim:set spell spl=en fo=wan1croqlt tw=80 ts=2 sw=2 sts=2 sta et ai cin fenc=utf-8 ff=unix:</span><span class="WHIT">
<span class='line'>2116</span> 
<span class='line'>2117</span> </span></pre></body></html>